Join Ten24 on Facebook and download 186MB of reference images, plus some very good character tutorials.
CGArena releases 300 free animal reference images
Get over 100 hi-res female reference images for free
you CG Channel - Part 415
a CG Channel - Part 462
you CG Channel - Part 415
female reference images
free CG Channel - Part 60
you CG Channel - Part 415
jpg CG Channel - Part 216
you CG Channel - Part 415