That Android supports live wallpapers (LWPs) is a cool feature, no doubt about it. But to many people, it's no more than an impractical novelty - something that looks cool but kills performance and battery life. Still, they remain popular on the Market, presumably among more casual owners who don't notice (or care) about the performance hit, or just don't know better... or perhaps even hardcore users don't mind the trade-off.
So, which camp do you fall in? Do you use live wallpapers, and if so, how frequently? Or do you steer clear of them altogether?