how to use SOP ICs on Breadboard?
You could use an adapter board.  Futurlec have a broad selection of them, and - by far - the cheapest prices I've seen.  Theirs tend to be less than a dollar, where a corresponding part from Sparkfun or Digikey could be > $5.00.

http://www.futurlec.com/SMD_Adapters.shtml