hey dude awsome work and i know HOW TO FIX UR PRIGINAL PROBLEM

yes i get that ALL THE BLOODY TIME lol

but i figured it out

to fix it
go into photoshop then make the image 500 x wat ever it auto adjusts to save it then u will get a PERFECT IMAGE

works with ANY size juss change it to 500 let the other box auto config and it will hav exactly the same quality