diff --git a/byg/src/DependencyGenerator.hs b/byg/src/DependencyGenerator.hs
index 6d3ab1d..b7dd983 100644
--- a/byg/src/DependencyGenerator.hs
+++ b/byg/src/DependencyGenerator.hs
@@ -25,6 +25,7 @@ module DependencyGenerator
   , readTemplate
   , convertImage
   , saveFile
+  , copyFile
   , makeDir
   , runPandoc
   ) where
@@ -197,6 +198,12 @@ saveFile (a, b) = do
   b' <- toToken b
   runFunctionIO' SaveFile $ TupleToken (a', b')
 
+copyFile :: (TokenableTo FilePath a, TokenableTo FilePath b) => (a, b) -> DepGenM ()
+copyFile (a, b) = do
+  a' <- toToken a
+  b' <- toToken b
+  runFunctionIO' CopyFile $ TupleToken (a', b')
+
 makeDir :: TokenableTo FilePath a => a -> DepGenM ()
 makeDir a = runFunctionIO' MakeDir =<< toToken a
 
diff --git a/byg/src/Evaluation/FunctionIO.hs b/byg/src/Evaluation/FunctionIO.hs
index 05f3e31..bcd7cbb 100644
--- a/byg/src/Evaluation/FunctionIO.hs
+++ b/byg/src/Evaluation/FunctionIO.hs
@@ -18,6 +18,9 @@ evalFunctionIO f x = case (f, x) of
   (SaveFile, Tuple (String _, String _)) ->
     pure $ Empty
 
+  (CopyFile, Tuple (String _, String _)) ->
+    pure $ Empty
+
   (MakeDir, String _) ->
     pure $ Empty
 
diff --git a/byg/src/SiteGenerator.hs b/byg/src/SiteGenerator.hs
index e0ba404..20b2de3 100644
--- a/byg/src/SiteGenerator.hs
+++ b/byg/src/SiteGenerator.hs
@@ -15,7 +15,9 @@ handleRecipeDir outputDir template indexName dir = do
   exts <- unzipSndDepGenM (mapDepGenM fileComponents dirContents)
   areImageFilenames <- mapDepGenM isImageExtension exts
   imageFilenames <- filterDepGenM areImageFilenames dirContents
-  imagePaths <- mapDepGenM (curry joinPaths outputDir) imageFilenames
+  imagePaths <- mapDepGenM (curry joinPaths dir) imageFilenames
+  imagePathsOut <- mapDepGenM (curry joinPaths outputDir) imageFilenames
+  mapDepGenM_ ((copyFile =<<) . untupleDepGenM) (ZipToken (imagePaths, imagePathsOut))
   thumbnailImagePaths <- mapDepGenM (thumbnailImagePath outputDir) imageFilenames
   mapDepGenM_
     (\files -> convertImage (files, inject $ ResizeToWidth 800))
diff --git a/byg/src/Types/FunctionIO.hs b/byg/src/Types/FunctionIO.hs
index ce6ab2e..24276f9 100644
--- a/byg/src/Types/FunctionIO.hs
+++ b/byg/src/Types/FunctionIO.hs
@@ -8,6 +8,7 @@ data FunctionIO = ListDirectory
                 | ReadTemplate
                 | ConvertImage
                 | SaveFile
+                | CopyFile
                 | MakeDir
                 | RunPandoc
   deriving (Show, Lift)