CGTalk or CGSociety (if you prefer) occasionally have a CG Challenge, and currently they’re taking entries for Dreamscape CG Challenge XXVI. I’ve entered previous CG Challenges, but have only managed to complete two of my entries fully. However this time I am determined to complete a third! Checkout my work in progress and feel free to give me a bit of feedback.
There’s already some great entries posted already. You’re find a great selection of scifi, fantasy, surreal and horror and in all different digital formats, 3D Modelling, Photo Manipulation and digital painting. Check it out!