diff --git a/kanimal-cli/Options.cs b/kanimal-cli/Options.cs
index d31b4e8..703f47e 100644
--- a/kanimal-cli/Options.cs
+++ b/kanimal-cli/Options.cs
@@ -19,6 +19,13 @@ public abstract class ConversionOptions : ProgramOptions
     {
         [Option('S', "strict", Required = false, HelpText = "When writing to scml, enabling this flag ")]
         public bool Strict { get; set; }
+
+        [Option('i', "interpolate", Required = false, HelpText = "Enable interpolating scml files on load.")]
+        public bool Interp { get; set; }
+
+        [Option('b', "debone", Required = false, HelpText = "Enable deboning scml files on load.")]
+        public bool Debone { get; set; }
+
     }
 
     [Verb("dump", HelpText = "Output a dump of the specified kanim.")]
diff --git a/kanimal-cli/Program.cs b/kanimal-cli/Program.cs
index aec1125..5da1998 100644
--- a/kanimal-cli/Program.cs
+++ b/kanimal-cli/Program.cs
@@ -58,7 +58,10 @@ private static void Convert(string inputFormat, string outputFormat, List<string
                     var scml = files.Find(path => path.EndsWith(".scml"));
                     var scmlreader = new ScmlReader(scml)
                     {
-                        AllowMissingSprites = !opt.Strict
+                        AllowMissingSprites = !opt.Strict,
+                        AllowInFramePivots = !opt.Strict,
+                        InterpolateMissingFrames = opt.Interp,
+                        Debone = opt.Debone
                     };
                     scmlreader.Read();
                     reader = scmlreader;
@@ -112,7 +115,8 @@ private static void Convert(string inputFormat, string outputFormat, List<string
                 case "scml":
                     var scmlWriter = new ScmlWriter(reader)
                     {
-                        FillMissingSprites = !opt.Strict
+                        FillMissingSprites = !opt.Strict,
+                        AllowDuplicateSprites = !opt.Strict
                     };
                     scmlWriter.SaveToDir(Path.Join(opt.OutputPath));
                     break;
diff --git a/kanimal/Reader/ScmlReader.cs b/kanimal/Reader/ScmlReader.cs
index 20e4356..b7efcf9 100644
--- a/kanimal/Reader/ScmlReader.cs
+++ b/kanimal/Reader/ScmlReader.cs
@@ -30,6 +30,7 @@ public class ScmlReader : Reader
         private Dictionary<Filename, Bitmap> inputSprites; // The keys in this dictionary are filenames, *with* the file extension, if it exists.
 
         public bool AllowMissingSprites = true;
+        public bool AllowInFramePivots = true;
         public bool InterpolateMissingFrames = true;
         public bool Debone = true;
 
@@ -128,6 +129,17 @@ public override void Read()
             Logger.Info("Reading image files.");
             ReadProjectSprites();
 
+            // Only use the sprites that are included in the project
+            List<SpriteName> allSprites = inputSprites.Select(sprite => sprite.Key.ToSpriteName()).ToList();
+            inputSprites = inputSprites.Where(sprite => projectSprites.ContainsKey(sprite.Key.ToSpriteName())).ToDictionary(x => x.Key, x => x.Value);
+            List<SpriteName> usedSprites = inputSprites.Select(sprite => sprite.Key.ToSpriteName()).ToList();
+
+            List<string> unusedSprites = allSprites.FindAll(sprite => !usedSprites.Contains(sprite)).Select(sprite => sprite.ToFilename().ToString()).ToList();
+            if (unusedSprites.Count > 0)
+            {
+                Logger.Warn($"There were unused sprites in the SCML project folder: {unusedSprites.Join()}. Did you forget to included these in the SCML file? You must manually add in files that are part of a symbol_override if they aren't explicitly placed into any animations in the SCML. ");
+            }
+
             // Also set the output list of sprites
             Sprites = new List<Sprite>();
             Sprites = inputSprites.Select(sprite => new Sprite {Bitmap = sprite.Value, Name = sprite.Key.ToSpriteName()}).ToList();
@@ -587,15 +599,26 @@ float Interpolate(string attrName, float defaultValue)
             if (hasInconsistentIntervals)
             {
                 var anims = inconsistentAnims.ToList().Join();
-                throw new ProjectParseException(
-                    $"SCML format exception: The intervals in the anims {anims} were inconsistent. Aborting read.");
+                string error = $"SCML format exception: The intervals in the anims {anims} were inconsistent. Aborting read.";
+                if (!InterpolateMissingFrames)
+                {
+                    error += " Try enabling keyframe interpolation with the \"-i\" flag and try again.";
+                }
+                throw new ProjectParseException(error);
             }
 
             if (hasPivotsSpecifiedInTimeline)
             {
                 var anims = pivotAnims.ToList().Join();
-                throw new ProjectParseException(
-                    $"SCML format exception: There were pivot points specified in timelines rather than only on the sprites in anims {anims}. Aborting read.");
+                if (AllowInFramePivots)
+                {
+                    Logger.Warn($"Encountered pivot points specified in timelines in anims {anims}. These pivot point changes will not be respected. Strict-mode is off. Converting anyway.");
+                }
+                else
+                {
+                    throw new ProjectParseException($"SCML format exception: There were pivot points specified in timelines rather than only on the sprites in anims {anims}. Aborting read.");
+                }
+
             }
 
             AnimData.AnimCount = animCount;
diff --git a/kanimal/Writer/ScmlWriter.cs b/kanimal/Writer/ScmlWriter.cs
index edb4543..41598ee 100644
--- a/kanimal/Writer/ScmlWriter.cs
+++ b/kanimal/Writer/ScmlWriter.cs
@@ -22,6 +22,7 @@ public class ScmlWriter : Writer
         protected XmlElement Entity;
 
         public bool FillMissingSprites = true; // When true, if a file is referenced in frames but doesn't exist as a sprite, add it as a blank 1x1 sprite.
+        public bool AllowDuplicateSprites = true; // When true if a sprite is defined multiple times, only utilize the first definition.
 
         public ScmlWriter(Reader reader)
         {
@@ -97,7 +98,14 @@ protected virtual void AddFolderInfo()
                     var key = row.GetSpriteName().ToFilename();
                     if (filenameindex.ContainsKey(key))
                     {
-                        throw new Exception($"filenameindex already contains a key for the sprite {key.Value}!");
+                        if (AllowDuplicateSprites)
+                        {
+                            Logger.Warn($"Duplicate sprite for {key.Value}. This may be indicative of a problem with the source file.");
+                        }
+                        else
+                        {
+                            throw new Exception($"filenameindex already contains a key for the sprite {key.Value}! Try again without strict mode if you believe this is in error.");
+                        }
                     }
 
                     filenameindex[key] = fileIndex;
@@ -112,7 +120,7 @@ protected virtual void AddFolderInfo()
 
                     var fileNode = Scml.CreateElement("file");
                     fileNode.SetAttribute("id", fileIndex.ToString());
-                    fileNode.SetAttribute("name", $"{row.Name}_{row.Index}");
+                    fileNode.SetAttribute("name", $"{row.Name}_{row.Index}.png");
                     fileNode.SetAttribute("width", ((int) row.Width).ToString());
                     fileNode.SetAttribute("height", ((int) row.Height).ToString());
                     fileNode.SetAttribute("pivot_x", pivotX.ToStringInvariant());