diff --git a/themoviedbapi/src/com/moviejukebox/themoviedb/model/Artwork.java b/themoviedbapi/src/com/moviejukebox/themoviedb/model/Artwork.java
index b106d89de..888a5ba29 100644
--- a/themoviedbapi/src/com/moviejukebox/themoviedb/model/Artwork.java
+++ b/themoviedbapi/src/com/moviejukebox/themoviedb/model/Artwork.java
@@ -20,18 +20,18 @@ package com.moviejukebox.themoviedb.model;
  *
  */
 public class Artwork implements Comparable<Object> {
-    public static String ARTWORK_TYPE_POSTER    = "poster";
-    public static String ARTWORK_TYPE_BACKDROP  = "backdrop";
-    public static String ARTWORK_TYPE_PERSON    = "profile";
-    public static String[] ARTWORK_TYPES        = {ARTWORK_TYPE_POSTER, ARTWORK_TYPE_BACKDROP, ARTWORK_TYPE_PERSON};
+    public static final String ARTWORK_TYPE_POSTER    = "poster";
+    public static final String ARTWORK_TYPE_BACKDROP  = "backdrop";
+    public static final String ARTWORK_TYPE_PERSON    = "profile";
+    public static final String[] ARTWORK_TYPES        = {ARTWORK_TYPE_POSTER, ARTWORK_TYPE_BACKDROP, ARTWORK_TYPE_PERSON};
 
-    public static String ARTWORK_SIZE_ORIGINAL  = "original";
-    public static String ARTWORK_SIZE_THUMB     = "thumb";
-    public static String ARTWORK_SIZE_MID       = "mid";
-    public static String ARTWORK_SIZE_COVER     = "cover";
-    public static String ARTWORK_SIZE_POSTER    = "poster";
-    public static String ARTWORK_SIZE_PROFILE   = "profile";
-    public static String[] ARTWORK_SIZES        = {ARTWORK_SIZE_ORIGINAL, ARTWORK_SIZE_THUMB, ARTWORK_SIZE_MID, ARTWORK_SIZE_COVER, ARTWORK_SIZE_POSTER, ARTWORK_SIZE_PROFILE};
+    public static final String ARTWORK_SIZE_ORIGINAL  = "original";
+    public static final String ARTWORK_SIZE_THUMB     = "thumb";
+    public static final String ARTWORK_SIZE_MID       = "mid";
+    public static final String ARTWORK_SIZE_COVER     = "cover";
+    public static final String ARTWORK_SIZE_POSTER    = "poster";
+    public static final String ARTWORK_SIZE_PROFILE   = "profile";
+    public static final String[] ARTWORK_SIZES        = {ARTWORK_SIZE_ORIGINAL, ARTWORK_SIZE_THUMB, ARTWORK_SIZE_MID, ARTWORK_SIZE_COVER, ARTWORK_SIZE_POSTER, ARTWORK_SIZE_PROFILE};
 
     private String type;
     private String size;