diff --git a/common/lib/xmodule/xmodule/combined_open_ended_module.py b/common/lib/xmodule/xmodule/combined_open_ended_module.py
index c9702eb..4268188 100644
--- a/common/lib/xmodule/xmodule/combined_open_ended_module.py
+++ b/common/lib/xmodule/xmodule/combined_open_ended_module.py
@@ -39,7 +39,7 @@ MAX_SCORE = 1
 MAX_SCORE_ALLOWED = 3
 
 IS_SCORED = False
-ACCEPT_FILE_UPLOAD = True
+ACCEPT_FILE_UPLOAD = False
 
 #Contains all reasonable bool and case combinations of True
 TRUE_DICT = ["True", True, "TRUE", "true"]
diff --git a/common/lib/xmodule/xmodule/open_ended_image_submission.py b/common/lib/xmodule/xmodule/open_ended_image_submission.py
index 19dd196..38b7c12 100644
--- a/common/lib/xmodule/xmodule/open_ended_image_submission.py
+++ b/common/lib/xmodule/xmodule/open_ended_image_submission.py
@@ -31,7 +31,7 @@ ALLOWABLE_IMAGE_SUFFIXES = [
 ]
 
 #Maximum allowed dimensions (x and y) for an uploaded image
-MAX_ALLOWED_IMAGE_DIM = 1500
+MAX_ALLOWED_IMAGE_DIM = 1000
 
 #Dimensions to which image is resized before it is evaluated for color count, etc
 MAX_IMAGE_DIM = 150
@@ -40,7 +40,7 @@ MAX_IMAGE_DIM = 150
 MAX_COLORS_TO_COUNT = 16
 
 #Maximum number of colors allowed in an uploaded image
-MAX_COLORS = 20
+MAX_COLORS = 400
 
 class ImageProperties(object):
     """