ok, i think i might have gotten it to work. TwonkyMedia is preinstalled on Linksys WRT610N and the "new" tab they created interprets TwonkyMedia's actual media server pages into the Linksys configuration style.
Type in your browser http://your-router-ip:port/
Just like this http://192.168.0.1:9000/
It takes you to the actual TwonkyMedia setup pages in which Linksys hides from you. Click on the "Clients/Security" link in the left navigation area. I noticed that although it was set to allow new clients automatically, the client table was actually missing my Xbox 360 and PS3 as well as their static ip's.
Once i added them it worked again. I can't wait until DD-WRT comes out with new custom firmware for this Linksys router. Its been good to me for awhile now but i hope this isn't a start of things going wrong with the router.