pbucch, best way i've seen to handle moss..... get some stainless steel mesh and spread out some moss on it, cover in netting, and then sew it all together. it'll grow and cover the whole panel, and then you have a little bed of moss. this ebay link describes it better.
Plant Net - Aquarium Plant Java Fish Co2 Moss Tank AQM - eBay (item 250334175769 end time Dec-06-08 11:00:00 PST)
i plan to have a moss bed in my new tank. i'm going to set up a 55g here sooner or later.