Problem with SWF-->.JPG conversion on the fly seems to be on server side

Hello, I recently made a post (http://www.kirupa.com/forum/showthread.php?t=262237) asking about how to convert an object within a SWF to a .JPG format on the fly. That question has been answered (thanks to cpgenius) but now a separate and somewhat unrelated issue has come up:

The example flash app given at http://www.flash-db.com/Tutorials/snapshot/ works great for doing the SWF–>JPG conversion I need. However, when I copy the exact same source files onto my server (which runs PHP 4.4.4) and run the app, the PHP generated image is color-distorted. In addition, after the loading bar reaches 100% there is an additional waiting time on the PHP page when I run it on my server, whereas there is no such waiting when I run it on the flash-db.com server.

Does anyone have any ideas why this is happening? It cannot be a code issue, since the files are identical on both servers. However, I am running the correct version of PHP so I don’t know what the problem could be. Ideas?