Disclaimer: I'm not responsible for you killing your phone. The theme worked for me, tested on the droid, but should work on all other phones. Make a backup if you think you're going to mess up.
This is a MM theme that applies to the framework-res.apk, and will require a reboot when done.
Spiderman Battery Indicator:
The Spiderman "Face" loses the red color as the battery decreases.
The Flash Charging Icon:
The lightning bolt alternates between white and yellow when charging.
Download Link: 4shared.com - online file sharing and storage - download SpiderFlashBattery.zip
PM me, or email me at oMenaceTigero@gmail.com