I submitted it to one, and there's this group: http://g-pixel.deviantart.com/
if you hit join you should be auto-accepted and then you can submit the deviations yourself since im not sure which category to put the ness pixel under
np, im actually in a few pixel groups, i can submit that one pixel to them and all you have to do is accept in a few mins O: because right now im drawing 'v'