All you do is go to Imvu.com then you pick if you a girl or man then you click the girl or man you want then you make your name pass word and much more .. If you want snap pictures then you click the cam at the bottom the your set
PicMonkey :)
if u want another site like this the best is-wikipedia
no even there is no website with paying amount
Google has Picasa.
black planet
Club-penguin Vizwoz World of cars Binweevils Lmvu Moshi-monsters Theese are the virtual worlds i know.
Aim, Yahoo Messenger
try jibjab.com
My space (www.myspace.com)
I like WikiAnswers.
Build a Bear, Poptropica, etc.
Blockland is kinda like ROBLOX, But it's more advanced.