Well, Picfrip.org is an german projekt, but you can support us too!
We share really free photos and other resources like Gimp brushes, vector-graphics, pdf-files or cliparts.
You can write about picfrip in you blog or your website. If you want to join us as an member, you must speaking german, but downloading all our stuff is possible without any registration! All Uploads are free to use, but please claim this stuff as you own.
We are working on a complete translation for the frontend based on Joomla.