diff --git a/Inspector/appsettings.json b/Inspector/appsettings.json
index e5cf16a..fceed60 100644
--- a/Inspector/appsettings.json
+++ b/Inspector/appsettings.json
@@ -20,7 +20,6 @@
     "DontDoMetaDataProvidersSearchArtists": [ "Various Artists", "Sound Tracks" ],
     "FileExtenionsToDelete": [ ".cue", ".db", ".gif", ".html", ".ini", ".jpg", ".jpeg", ".log", ".mpg", ".m3u", ".png", ".nfo", ".nzb", ".sfv", ".srr", ".txt", ".url" ],
     "RecordNoResultSearches": true,
-    "SingleArtistHoldingFolder": "C:\\roadie_dev_root\\single_holding",
     "ArtistNameReplace": {
       "AC/DC": [ "AC; DC", "AC;DC", "AC/ DC", "AC DC" ],
       "Love/Hate": [ "Love; Hate", "Love;Hate", "Love/ Hate", "Love Hate" ]
diff --git a/Roadie.Api.Library.Tests/appsettings.test.json b/Roadie.Api.Library.Tests/appsettings.test.json
index 652ab24..1ac44d4 100644
--- a/Roadie.Api.Library.Tests/appsettings.test.json
+++ b/Roadie.Api.Library.Tests/appsettings.test.json
@@ -20,7 +20,6 @@
     "DontDoMetaDataProvidersSearchArtists": [ "Various Artists", "Sound Tracks" ],
     "FileExtenionsToDelete": [ ".cue", ".db", ".gif", ".html", ".ini", ".jpg", ".jpeg", ".log", ".mpg", ".m3u", ".png", ".nfo", ".nzb", ".sfv", ".srr", ".txt", ".url" ],
     "RecordNoResultSearches": true,
-    "SingleArtistHoldingFolder": "C:\\roadie_dev_root\\single_holding",
     "ArtistNameReplace": {
       "AC/DC": [ "AC; DC", "AC;DC", "AC/ DC", "AC DC" ],
       "Love/Hate": [ "Love; Hate", "Love;Hate", "Love/ Hate", "Love Hate" ]
diff --git a/Roadie.Api.Library/Configuration/Converting.cs b/Roadie.Api.Library/Configuration/Converting.cs
index b506b48..98f5a1f 100644
--- a/Roadie.Api.Library/Configuration/Converting.cs
+++ b/Roadie.Api.Library/Configuration/Converting.cs
@@ -6,8 +6,10 @@ namespace Roadie.Library.Configuration
     public class Converting : IConverting
     {
         public string APEConvertCommand { get; set; }
+        public bool ConvertingEnabled { get; set; }
         public bool DoDeleteAfter { get; set; }
         public string M4AConvertCommand { get; set; }
         public string OGGConvertCommand { get; set; }
+        public string FLACConvertCommand { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Roadie.Api.Library/Configuration/IConverting.cs b/Roadie.Api.Library/Configuration/IConverting.cs
index 9aecfcf..3367228 100644
--- a/Roadie.Api.Library/Configuration/IConverting.cs
+++ b/Roadie.Api.Library/Configuration/IConverting.cs
@@ -2,6 +2,7 @@
 {
     public interface IConverting
     {
+        bool ConvertingEnabled { get; set; }
         string APEConvertCommand { get; set; }
         bool DoDeleteAfter { get; set; }
         string M4AConvertCommand { get; set; }
diff --git a/Roadie.Api.Library/Configuration/IRoadieSettings.cs b/Roadie.Api.Library/Configuration/IRoadieSettings.cs
index dbe6a4c..e3e6b84 100644
--- a/Roadie.Api.Library/Configuration/IRoadieSettings.cs
+++ b/Roadie.Api.Library/Configuration/IRoadieSettings.cs
@@ -24,7 +24,6 @@ namespace Roadie.Library.Configuration
         bool RecordNoResultSearches { get; set; }
         RedisCache Redis { get; set; }
         string SecretKey { get; set; }
-        string SingleArtistHoldingFolder { get; set; }
         string SiteName { get; set; }
         ImageSize SmallImageSize { get; set; }
         string SmtpFromAddress { get; set; }
diff --git a/Roadie.Api.Library/Configuration/RoadieSettings.cs b/Roadie.Api.Library/Configuration/RoadieSettings.cs
index 81ef9e3..31e8f20 100644
--- a/Roadie.Api.Library/Configuration/RoadieSettings.cs
+++ b/Roadie.Api.Library/Configuration/RoadieSettings.cs
@@ -40,7 +40,6 @@ namespace Roadie.Library.Configuration
         public RedisCache Redis { get; set; }
         public ImageSize SmallImageSize { get; set; }
         public string SecretKey { get; set; }
-        public string SingleArtistHoldingFolder { get; set; }
         public string SiteName { get; set; }
         public string SmtpFromAddress { get; set; }
         public string SmtpHost { get; set; }
diff --git a/Roadie.Api.Library/Models/Releases/Release.cs b/Roadie.Api.Library/Models/Releases/Release.cs
index 6b578e3..34bfa50 100644
--- a/Roadie.Api.Library/Models/Releases/Release.cs
+++ b/Roadie.Api.Library/Models/Releases/Release.cs
@@ -70,6 +70,10 @@ namespace Roadie.Library.Models.Releases
         // When populated a "data:image" base64 byte array of an image to use as new Thumbnail
         public string NewThumbnailData { get; set; }
 
+        /// <summary>
+        /// When populated a "data:image" base64 byte array of an image to use as secondary Release images.
+        /// </summary>
+        public List<string> NewSecondaryImagesData { get; set; }
 
         [MaxLength(250)]
         [Required]
diff --git a/Roadie.Api.Library/SearchEngines/MetaData/LastFm/LastFmHelper.cs b/Roadie.Api.Library/SearchEngines/MetaData/LastFm/LastFmHelper.cs
index 43bf6bd..fa105d4 100644
--- a/Roadie.Api.Library/SearchEngines/MetaData/LastFm/LastFmHelper.cs
+++ b/Roadie.Api.Library/SearchEngines/MetaData/LastFm/LastFmHelper.cs
@@ -390,9 +390,15 @@ namespace Roadie.Library.MetaData.LastFm
             {
                 parameters = new Dictionary<string, string>();
             }
-            parameters.Add("method", method);
-            parameters.Add("api_key", this._apiKey.Key);
-            if (!string.IsNullOrEmpty(sk))
+            if (!parameters.ContainsKey("method"))
+            {
+                parameters.Add("method", method);
+            }
+            if (!parameters.ContainsKey("api_key"))
+            {
+                parameters.Add("api_key", this._apiKey.Key);
+            }
+            if (!string.IsNullOrEmpty(sk) && !parameters.ContainsKey("sk"))
             {
                 parameters.Add("sk", sk);
             }
diff --git a/Roadie.Api.Services/AdminService.cs b/Roadie.Api.Services/AdminService.cs
index 7d9366e..4becc92 100644
--- a/Roadie.Api.Services/AdminService.cs
+++ b/Roadie.Api.Services/AdminService.cs
@@ -234,6 +234,45 @@ namespace Roadie.Api.Services
             };
         }
 
+        public async Task<OperationResult<bool>> DeleteReleaseSecondaryImage(ApplicationUser user, Guid releaseId, int index)
+        {
+            var sw = new Stopwatch();
+            sw.Start();
+            var errors = new List<Exception>();
+            var release = this.DbContext.Releases.Include(x => x.Artist).FirstOrDefault(x => x.RoadieId == releaseId);
+            if (release == null)
+            {
+                await this.LogAndPublish($"DeleteReleaseSecondaryImage Unknown Release [{ releaseId}]", LogLevel.Warning);
+                return new OperationResult<bool>(true, $"Release Not Found [{ releaseId }]");
+            }
+            try
+            {
+                var releaseFolder = release.ReleaseFileFolder(release.Artist.ArtistFileFolder(this.Configuration, this.Configuration.LibraryFolder));
+                var releaseImagesInFolder = ImageHelper.FindImageTypeInDirectory(new DirectoryInfo(releaseFolder), ImageType.ReleaseSecondary, SearchOption.TopDirectoryOnly);
+                var releaseImageFilename = releaseImagesInFolder.Skip(index).FirstOrDefault();
+                if (releaseImageFilename.Exists)
+                {
+                    releaseImageFilename.Delete();
+                }
+                this.CacheManager.ClearRegion(release.CacheRegion);
+            }
+            catch (Exception ex)
+            {
+                this.Logger.LogError(ex);
+                await this.LogAndPublish("Error deleting release secondary image.");
+                errors.Add(ex);
+            }
+            sw.Stop();
+            await this.LogAndPublish($"DeleteReleaseSecondaryImage `{ release }` Index [{ index }], By User `{user }`", LogLevel.Information);
+            return new OperationResult<bool>
+            {
+                IsSuccess = !errors.Any(),
+                Data = true,
+                OperationTime = sw.ElapsedMilliseconds,
+                Errors = errors
+            };
+        }
+
         public async Task<OperationResult<bool>> DeleteTrack(ApplicationUser user, Guid trackId, bool? doDeleteFile)
         {
             var sw = new Stopwatch();
diff --git a/Roadie.Api.Services/IAdminService.cs b/Roadie.Api.Services/IAdminService.cs
index c9803d2..b88fce8 100644
--- a/Roadie.Api.Services/IAdminService.cs
+++ b/Roadie.Api.Services/IAdminService.cs
@@ -17,6 +17,8 @@ namespace Roadie.Api.Services
 
         Task<OperationResult<bool>> DeleteRelease(ApplicationUser user, Guid releaseId, bool? doDeleteFiles);
 
+        Task<OperationResult<bool>> DeleteReleaseSecondaryImage(ApplicationUser user, Guid releaseId, int index);
+
         Task<OperationResult<bool>> DeleteTrack(ApplicationUser user, Guid trackId, bool? doDeleteFile);
 
         Task<OperationResult<bool>> DeleteUser(ApplicationUser applicationUser, Guid id);
diff --git a/Roadie.Api.Services/ReleaseService.cs b/Roadie.Api.Services/ReleaseService.cs
index f429492..6dea200 100644
--- a/Roadie.Api.Services/ReleaseService.cs
+++ b/Roadie.Api.Services/ReleaseService.cs
@@ -657,6 +657,32 @@ namespace Roadie.Api.Services
                     didChangeThumbnail = true;
                 }
 
+                if (model.NewSecondaryImagesData != null && model.NewSecondaryImagesData.Any())
+                {
+                    var releaseFolder = release.ReleaseFileFolder(release.Artist.ArtistFileFolder(this.Configuration, this.Configuration.LibraryFolder));
+                    // Additional images to add to artist
+                    var looper = 0;
+                    foreach (var newSecondaryImageData in model.NewSecondaryImagesData)
+                    {
+                        var releaseSecondaryImage = ImageHelper.ImageDataFromUrl(newSecondaryImageData);
+                        if (releaseSecondaryImage != null)
+                        {
+                            // Ensure is jpeg first
+                            releaseSecondaryImage = ImageHelper.ConvertToJpegFormat(releaseSecondaryImage);
+
+                            var releaseImageFilename = Path.Combine(releaseFolder, string.Format(ImageHelper.ReleaseSecondaryImageFilename, looper.ToString("00")));
+                            while (File.Exists(releaseImageFilename))
+                            {
+                                looper++;
+                                releaseImageFilename = Path.Combine(releaseFolder, string.Format(ImageHelper.ReleaseSecondaryImageFilename, looper.ToString("00")));
+                            }
+                            File.WriteAllBytes(releaseImageFilename, releaseSecondaryImage);
+                        }
+                        looper++;
+                    }
+                }
+
+
                 if (model.Genres != null && model.Genres.Any())
                 {
                     // Remove existing Genres not in model list
diff --git a/Roadie.Api/Controllers/AdminController.cs b/Roadie.Api/Controllers/AdminController.cs
index 122692c..ed6be97 100644
--- a/Roadie.Api/Controllers/AdminController.cs
+++ b/Roadie.Api/Controllers/AdminController.cs
@@ -85,6 +85,19 @@ namespace Roadie.Api.Controllers
             return Ok(result);
         }
 
+        [HttpPost("delete/releasesecondaryimage/{id}/{index}")]
+        [ProducesResponseType(200)]
+        public async Task<IActionResult> DeleteReleaseSecondaryImage(Guid id, int index)
+        {
+            var result = await this.AdminService.DeleteReleaseSecondaryImage(await this.UserManager.GetUserAsync(User), id, index);
+            if (!result.IsSuccess)
+            {
+                return StatusCode((int)HttpStatusCode.InternalServerError);
+            }
+            return Ok(result);
+        }
+
+
         [HttpPost("delete/track/{id}")]
         [ProducesResponseType(200)]
         public async Task<IActionResult> DeleteTrack(Guid id, bool? doDeleteFile)
diff --git a/Roadie.Api/Properties/launchSettings.json b/Roadie.Api/Properties/launchSettings.json
index e942ed4..4da01d5 100644
--- a/Roadie.Api/Properties/launchSettings.json
+++ b/Roadie.Api/Properties/launchSettings.json
@@ -3,7 +3,7 @@
     "Roadie.Api": {
       "commandName": "Project",
       "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Production"
+        "ASPNETCORE_ENVIRONMENT": "Development"
       },
       "applicationUrl": "http://localhost:5123/"
     }
diff --git a/Roadie.Api/appsettings.Development.json b/Roadie.Api/appsettings.Development.json
index e6c7042..ad87520 100644
--- a/Roadie.Api/appsettings.Development.json
+++ b/Roadie.Api/appsettings.Development.json
@@ -72,7 +72,6 @@
     "DontDoMetaDataProvidersSearchArtists": [ "Various Artists", "Sound Tracks" ],
     "FileExtenionsToDelete": [ ".cue", ".db", ".gif", ".html", ".ini", ".jpg", ".jpeg", ".log", ".mpg", ".m3u", ".png", ".nfo", ".nzb", ".sfv", ".srr", ".txt", ".url" ],
     "RecordNoResultSearches": true,
-    "SingleArtistHoldingFolder": "C:\\roadie_dev_root\\single_holding",
     "ArtistNameReplace": {
       "AC/DC": [ "AC; DC", "AC;DC", "AC/ DC", "AC DC" ],
       "Love/Hate": [ "Love; Hate", "Love;Hate", "Love/ Hate", "Love Hate" ]
diff --git a/Roadie.Api/appsettings.json b/Roadie.Api/appsettings.json
index 7594fbc..eefaa9c 100644
--- a/Roadie.Api/appsettings.json
+++ b/Roadie.Api/appsettings.json
@@ -72,16 +72,17 @@
     "DontDoMetaDataProvidersSearchArtists": [ "Various Artists", "Sound Tracks" ],
     "FileExtenionsToDelete": [ ".cue", ".db", ".gif", ".html", ".ini", ".jpg", ".jpeg", ".log", ".mpg", ".m3u", ".png", ".nfo", ".nzb", ".sfv", ".srr", ".txt", ".url" ],
     "RecordNoResultSearches": true,
-    "SingleArtistHoldingFolder": "M:/single_holding/",
     "ArtistNameReplace": {
       "AC/DC": [ "AC; DC", "AC;DC", "AC/ DC", "AC DC" ],
       "Love/Hate": [ "Love; Hate", "Love;Hate", "Love/ Hate", "Love Hate" ]
     },
     "Converting": {
+      "ConvertingEnabled": true,
       "DoDeleteAfter": true,
       "M4AConvertCommand": "ffmpeg -i \"{0}\" -acodec libmp3lame -q:a 0 \"{1}\"",
       "OGGConvertCommand": "ffmpeg -i \"{0}\" -acodec libmp3lame -q:a 0 \"{1}\"\"",
-      "APEConvertCommand": "ffmpeg -i \"{0}\" \"{1}\""
+      "APEConvertCommand": "ffmpeg -i \"{0}\" \"{1}\"",
+      "FLACConvertCommand": "ffmpeg -i \"{0}\" -q:a 0 \"{1}\""
     },
     "SmtpFromAddress": "roadie@roadie.rocks",
     "SmtpPort": 2525,