I think it costs $45/yr to be able to just upload them directly, and support the site.
The Hot Pepper
grantmichaels
spysee
IMGUR is good but I don't even know if it has accounts. I just upload and be done with it.
cruzzfish
IMGUR can be linked to gmail if you have that.
Rymerpt
Finally the site seems to have woken up. I think its ok now.
Helvete
Photobucket was great up until earlier this year when they started adding all the ads to their site. I've used them since 2002 and kind of upset.
Jeff H
Google +
Phil
I like Flickr
RoninCat
imgur ftw