Concerning people in Fan Creation talking a lot about the size limit. Nobody is forcing them to do it in the size limit as long as they dont use them! and I'm also sure given a slightly larger size they would do the same since that's part of the fun when not dealing with 1megapixel+ images.
The [code] feature has/had a highlighting property which auto-colorcoded C, C++, Java etc text, but its purpose is really to hold in a small space large amounts of code. Think about it... you dont want to see a 1000~2000 line post just with computer code in it.
Oh and...
Welcome to animesuki! 