I'm starting a monthly "unofficial" ATS Anthology, so I just had to fit it in.
Sig space banners need to be 150x50 if you want four to fit.
Of course, if someone wants to purty this up:
ETA: To round the ends, and put a border around the whole thing, well, that's a plus.
edit on 3/7/13 by Druid42 because: added ETA.