Low quality pics

[Es_Trunks2_old]

i'm looking to uinsert some art into nmy sigs and i keep getting bad quality pics that my normal methods can fix (you know i sharpened-too-much look)can anyone give me some advice?

 

[Lone Wolf]

http://forum.esforces.com/showthread.php?s=&threadid=21084
w00t Dont need to sharpen alot.. one or twice is good enough

 

[Es_Trunks2_old]

one more qyuestion,when i try to upload a pick onto village photos.com it turns it to indexed color,thus ruening the high quality-ness,how do i fix this?