Well most of the good ones you have to download...however here are some;
-Habbo
-moshi monsters
-ourworld
-prepectual kid
-Meez
-groovy girl
-millsberry
-imvu
-mydigitallife
-gaia
-menewsha
-meez
Hope i helped!!!!!!You can try Smallworlds.
Smallworlds
Zidane Tribal
Some virtual worlds that you dont have to download is: Panfu.com (your avatar is a panda) ( you can custimize it) Pandana.com (your avatar is a panda) ( you can custumize it) Ecobuddies.com (your avatar is a hamster) ( you can custumize it) Allstarbuddies.com ( your avatar is a baseball) (you can custumize it) Allgirlarcade.com ( your avatar is 3d) ( you can custumize it) ( it's very cool) Gardenparty.com ( your avatar is 2d) ( you can custumize it) Planetcamoz.com ( your avatar is a minster) ( you can custumize it) Smallworlds.com (your avater is 3d) ( you can custumize it) ( very cool) Fantage.com ( your avatar is 2d) (you can custimize it) ( its cool) Meez.com ( you avatar is 3d) ( you can custimize it) (its cool)
chit chat city,small world
avatar
You can go to Moviestarplanet.com or you could go to Small Worlds! i would suggest Moviestarplanet!
i want download avatar legends of the arena
You can check on goole for good websites or go to MovieWatcher.com, www.momomesh.com/ , but if i were you i would just google it.
you can Free download Avatar Hollywood Movie wallpapers http://wallpapers99.com
I-Dressup.com, FashionFanasty.com, Frenzoo.com, Franktownrocks.com, PixieHollow.com, DizzieWorld.com, Miniclip.com
Iheard moshi monsters is realley good,and free too!