note; i am using photoshop cs6

Did you ever notice that when you save a gif with a text shadow, the shadow moves?

For example (take this quick siggy made in 2 minutes that looks VERY bad but I'll only use it here):



There's an easy fix!



Do you see the "Use Global Light" text with a checked box next to it? If you do, uncheck it! (on the first layer!) Now you have this:



See . That was easy! (PS: this likely works for other shadows in general. I decided to post it as a resource rather than a tutorial because its more like a quick tip).