New answers tagged image-format
Seems to me that the yellow eye texture is used without alpha/transparency, and merely replaces the normal eye texture. Another part of the problem is that Photoshop Elements doesn't let you adjust channels. The transparent areas in textures is usually due to an "alpha channel", which is like a mask for the entire image, but is stored as a fourth channel. ...
Use file compression tools - like zipping or adding to rar. Reduce 24 bits to lower. But that'd be lossy. So, you don't really have a way afaik.
Top 50 recent answers are included