Having said that, there's tons of sites out there that experience slowdowns and problems once in a while - especially when they experience a sudden growth in usage/traffic; not having access to statistics would mean you're unable to point that out either - thus the miscalculated judgement.
So which one for adult as lulz is out?
http://imgcrave.com/
http://imgkeep.com/tos.html
http://imgclub.org/
don't mention porn/xxx/adult in tos, but i don't want to end up with my files deleted.