about resistors:
You simply need to add one 15kOhm resistor between D+ and GND, and a second 15kOhm resistor between D- and GND.
btw my router is dead by now, but it has nothing to do with soldering or so. i pissed it off when i played with nvram settings. so if anyone could help please add your post here : http://wl500g.info/showthread.php?t=12483
and of course the pictures (sorry for low quality):