I've been looking everywhere and as far as I can see I've found the code you need to add into your theme to customize the display of post formats. No where have I found to actually implement this code. Maybe I'm just blind, cause that's happened before. But if someone could explain it to me, I would be really grateful. I'm pretty good at modifying code if I know what to do with it.
Here are the articles I've found that I like the ideas of most: