UPDATE:  The Stormtrooper mold has now been added to the selection as well.

13deals.com has a selection of Kotobukiya Silicone Molds on sale for $7.99.  Use coupon code SWMOLD to bring the price down to $4.99.  Shipping is free.  Note stock is limited so order soon.

Available selections include:

• Darth Vader
• Millennium Falcon
• X-Wing Fighter
• R2-D2
• Han Solo
• Death Star