Update: Eight more renders have been found and added below!
From Xbox 360 Fanboy:
Former Free Radical employee Richard Smith has uploaded original renders created for the company in 2007 as part of the production for Star Wars: Battlefront III to his personal blog. The very early renders include images of Han Solo and Shara The Bounty Hunter.
The images seem to have disappeared from Smith’s blog. With BF3 now in the hands of Rebellion, we will hopefully see the game in the next year or two!
Hit the jump for the leaked renders.
Source: Xbox 360 Fanboy