I have a 1.2.6 zencart store using the image manager. When I upload certain images, the graphic for 'No Available Images' is displayed rather than the thumbnail. I have verified that the image is a RGB. I have also been able to resave the .jpg to a .gif and that displays the thumbnail correctly. Once the 'No Available Image' graphic displays, I can then click on the edit icon and the thumbnail displays correctly.

Any help is much appreciated.

Thank you