I have the same problem no images showing up.
http://www.generationdub.com/images.jpg
I know for a fact GD works
I set the PHP to execute
And also the header doesn't show up at the top when the image verification is on screen.
gd
GD Support enabled
GD Version bundled (2.0.28 compatible)
GIF Read Support enabled
GIF Create Support enabled
JPG Support enabled
PNG Support enabled
WBMP Support enabled
XBM Support enabled