I could help on spriting Battle Chips more than in-battle sprites.
About Megaman EXE world, I have played this games:
-Megaman Battle Network
-Megaman Battle Network 2
-Megaman Battle Network 3 Blue
-Megaman Battle Network 4 Red Sun
-Megaman Battle Network 5 Team Colonel
-Megaman Battle Network 6 Falzar
-Megaman Battle Network Battle Chip Challange
For the other MegaMan series, I've played:
-Megaman Zero 2
-MegaMan V
-MegaMan & Bass
-Megaman StarForce Dragon
-Megaman StarForce 2 Zerker x Ninja
-Megaman Starforce 3 Black Ace
-Megaman NT Operation (I'm not sure for the name, it is a MegaMan EXE game for Wonderswan)
Here other battle chips that I've done:
Zero: http://dl.dropbox.com/u/15801118/Sprite/005%20ZEROVIRUS.pngAlpha Sigma: http://dl.dropbox.com/u/15801118/Sprite/alpharmsigma.bmpApolloFlame: http://dl.dropbox.com/u/15801118/Sprite/ApollonFlame.bmpBombMan: http://dl.dropbox.com/u/15801118/Sprite/bombman.bmpIronShield: http://dl.dropbox.com/u/15801118/Sprite/ironshield.bmpStarMan: http://dl.dropbox.com/u/15801118/Sprite/StarMan.pngCandle 1-2-3: http://dl.dropbox.com/u/15801118/Sprite/candle.bmpHeatBall MMSF: http://dl.dropbox.com/u/15801118/Sprite/HeatBall.bmpCannon Series Redone: http://dl.dropbox.com/u/15801118/Sprite/ne...nnon_series.bmp