Hmmm, these aren't requests, but more like suggestions! I went through your stuff and your icons are top-notch, so here's a few people that I think would make a great addition to your directory. =D Some of them are relatively unknown, so you might not be able to find good pics.
-Graham Patrick Martin -Brie Larson in Hoot -Ty Glaser -Jenna Dewan -Marie Avgeropoulos