An interactive Video Fireplace using the Propeller Platform USB and ProtoPlus.  Gadget Gangster writes…

 The Video Fireplace connects to your TV, re-creating a warm, inviting fire that you can stoke and add wood to. Features include:

• Never runs out of wood Runs about 20 hours on 4xAA’s or connect a power adapter to run continuously
• Your fire, your rules Customize with your favorite holiday music, it can store hundreds of songs
• Stoke away Stoke and ‘Add Wood’ buttons let you play with fire
• Perfect for any occasion Video stored on SD card can be changed to suit any other holiday
• No Cleanup Unlike burning ‘real’ wood, virtual wood burns without any ashes
• Safe Doesn’t generate any heat or smoke
• Easy Compatible with any TV that has a composite video (i.e., RCA jack) connection

Assembly guide and software on instructables.  Here’s an extended video of the fire;