Discovery Networks, U.S., will be relaunching the Health Network—which it acquired from Fox Cable Networks Group in 2001—as FitTV, a basic-cable fitness network, in January. The network will come out of the gate with 30 million subscribers. Billy Campbell, president, Discovery Networks, U.S., has tapped Carole Tomko as general manager of the network…Saks Fifth Avenue and VH1 are teaming for "Gifts That Give Back," a holiday promotion that will benefit the VH1 Save the Music Foundation. The department-store retailer has created exclusive products that will be featured in the Saks Holiday 2003 catalog with a roster of musical artists including Ashanti, B.B. King, Beyonce Knowles, Jewel and Sheryl Crow..