Saw an article on this in BYO yesterday...I wanna say it was from 99, but that's all I can remember and I can't find it now. Either way, just follow the same things you do when you harvest yeast, but if you ever use lysozyme, don't use it with this.
Primary: star thistle traditional mead
Secondary: mango melomel, Biere de Garde, dark strong braggot, oud bruin, Paulaner clone, coffee RIS
Bottled: rye wit, sticke alt, Graetzer, Apfelwein, zeus SMaSH, APA