Hey, first time here, so apologies if this has been asked before.
It's a little tricky to word what I'm looking for, so searches haven't proved very fruitful. Basically, I'm looking to have an image move across a 'screen' like box. The best example I can think of is this:
Use a track matte on top of the layer you animate. Basic AE stuff. you might want to read the help and watch some tutorials...
I checked back here knowing I'd find this. Yep, I applied that and it worked perfectly.
Thank you though.