diff --git a/app/__init__.py b/app/__init__.py
index 2318678..40a7dc9 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -48,9 +48,9 @@ mail = Mail(app)
 pages = FlatPages(app)
 babel = Babel(app)
 gravatar = Gravatar(app,
-		size=58,
+		size=64,
 		rating="g",
-		default="mp",
+		default="retro",
 		force_default=False,
 		force_lower=False,
 		use_ssl=True,