Imageshack has a 1mb limit. I use the imageshack quickload to upload my photos.
Fapomatic has a 1.5 mb limit.
http://fapomatic.com/Image Bee has a 2.0 mb limit
http://www.imagebee.org/Imagefiasco has a 2.5 mb limit
http://www.imagefiasco.com/What I would recommend is fileden. It has a 10mb limit. It's totally free and you don't have to sign up. Some of the photos from my camera can go over 4mb, so I can upload my photos here at full resolution, but they are too big for forums, so I don't bother. I just resize them and upload to imageshack.
http://www.fileden.comHere's one of my photos (3.27mb at full resolution) at fileden:
