Sew your own Maya Wrap Baby Sling
http://www.mayawrap.com/n_sewsling.php

No-Sew Baby Carrier/Sewn Tube Sling
http://www.mayawrap.com/n_makecarrier.php

Plus also, the Baby-gami book that I got my sister in law! If you don't want to have to buy it, see if your library can get a copy, it's a blast. It's got slings/wraps as well as new and improved swaddling techniques.

Anhata
www.familynaturally.com
Your Family's General Store, Naturally