Several Web sites are springing up that offer themes for RapidWeaver, the Web site creation tool from RealMac. If you’re using RapidWeaver, which is designed to let you tackle Web design with “not even a vague understanding of HTML,” you may wish to check out the ever-growing number of theme packs from Bench Design, RapidWeaverThemes, Schnuck-Schnueck and GeekSuit.