While it has been confirmed that the UPN network has taken Roswell, it appears that the WB may be keeping a reminder of the show after all. Emilie De Ravin has been rumored to star in a show called "Ghosts" coming to the WB this fall. While the WB network has not confirmed this rumor, fans have said that they have already seen her in the trailers for this show which are appearing on your local WB station...