twicsy.com
Browse and search social pics. Search over 6,958,049,770 Twitter pics, millions posted every day. View top trends, popular pics, pics by user and more.
LINK: http://twicsy.com/
Wpisy
behold.cc
It searching 1,040,000 high quality images from Flickr.
LINK: http://behold.cc/
picsearch.com
It searches the web for images. An image search service with more than 3,000,000,000 pictures.