Three Panel Soul is a webcomic illustrated by Ian McConville, and written by Matt Boyd. I think this webcomic is a really good one because they try conveying a certain feeling with only three panels. The original comic was called Mac Hall, but apparently the site was hacked, and they moved it to Three Panel Soul.
This one is one of the older ones, and by far one of my favorites:
Recently I found this webcomic with awesome art. It’s name is kukuburi by Ramόn Pérez and I loved it and consumed all published strips, though I might add that there weren’t much to begin with, but it sure is a delightfully eye-pleasing comic. Start reading from the first page.