I don't know if this is still actual or has already been covered, but i managed to have bridge working using WPA-TKIP and AES.... If someone has interest i can post a mini howto....
I was not here around for a long time, so excuse me if this is already answered elsewhere.....
The Struggle Continues...
Asus WL500g #1 with fw 1.9.2.7-7f running as main home gateway, with Philipps PWC730k
Asus WL500g #2 with fw 1.9.2.7-7f running as Wireless Client, running palantir 2.6 with SPCA5xx camera on 128MB generic USB key