well, I know that problem!
It just depends on what you save it as, it is a common problemo that follows you pretty much anywhere you go that involves pictures!
Try saving it as an... um... *supa tails is checking his files*
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AHA!
IM LEARNING!!! Alright, you probably saved that as a JPEG am I right?
Therefor, you must save it as a PNG or a GIF, or GIMP!
(I think you save it as GIF only if it automaticly moves like somones avatar. You need a GIF editor in order to do that.
Just save your sprites as PNG or GIMP (GIMP is a way past cool replica of PhotoShop exept that it is COMPLETELY FREE!
)
Here are some examples:
................................................................................................ www.freewebs.com/thebiverse .....................................................................................
c'ya on the other side