Dual extension towbar hitch receiver. ~~perfect for the bike rack and towing the travel trailer.
Side profile. I would extend the cabin over the wheel wells and have cabinets above them for additional storage. Maybe hanging clothes on one side (for jackets etc.) and small drawers (gloves, socks, undies, toiletries etc,) above the other.
Ed's Teardrop Trailer Project: "Progress is intoxicating"
Teardrop Travel Trailer (added VIDEOS!)
An amazing 60-step Instructable on how to build a teardrop camper.
wood door and metal sides... i like this option too!
Teardrop Build Pictures: How an Oregon Trail'R Teardrop is Built. - Oregon Trail'R - Teardrop Trailers and Accessories