1001 Free Downloads have some pretty cool exclusive design resources. For those of you who like bokeh backgrounds, there are free vector bokeh backgrounds to download for personal or commercial use (with attribution). The download file includes .jpeg, .eps and .ai files.
I know everyone likes geometric backgrounds, and you’ll find some good ones:
As well as some nice patterns, like this rather foxy one:
They’ve got a bit of everything – like this set of Bertie Icons.
Check out 1001 Free Downloads – like the name says, it’s all free!