Another booth I really liked at MacWorld was the FilmLoop folks. They make an easy-to-use product that puts a slideshow on someone's desktop; no charge. (The hitch: one ad per loop -- but a loop can be 200 photos.)
Mac and Windows versions (though I can't run the Mac version since I don't have system 10.4 yet.
Quilter, knitter, folk musician/singer, cat owner, parents are transplanted midwesterners from farm families, three siblings (one near Seattle, two near LA), many nieces and nephews, bad gardener, chronic battles with depression and clutter, underpaid nonprofit employee, girl geek with Macs, PCs, and Palm PDAs (used to be part of TeamB), former editor and art director for sf/fantasy magazines, founded an undercapitalized laptop magazine in the 80s, struggling homeowner. Email me: are eee aitch at ess eff eff dot enn eee tee.