Akishore put together a great guide for beginners, which is available in two parts:
Omaha Hi/Lo Beginner's Guide, Part 1
Omaha Hi/Lo Beginner's Guide, Part 2
Fritzmania has also put together a great guide:
My Guide to Low-Limit Omaha 8/b
Navybuttons and checkymcfold have compiled a guide for live O8 play:
Guide To Live O8: Las Vegas and Los Angeles
If anyone has any great O8 links, please let me know, and I'll add them.
Cheers.
- Zach