For some reason I can't upload images at work through the proxy. But on my EVO, the Mario Live wallpaper consumes between 2-4%
of battery power. Idle time consumes 40%, calls 20%, even just the screen consumes 4%. I can spare another 2-4% for a badass wallpaper like that.
(from my FB
Let me add, I don't even have my USB charger. I charge my phone 20 minutes to work and 20 minutes back, maybe 15 minutes to/from sports on the weekends and it's held up fine. I need a new charger since I lost mine but it's not a pressing issue. The wallpaper doesn't change this at all.
If my battery went from 100 to 0%, the last thing I would think is that I wish I didn't have that wallpaper up so I could have 4% left. Instead, I think I'm stupid for not having charged it earlier.