Re: backgrounds on png pix

Albretch Mueller wrote:
>  Why is it that some png pictures somehow blend their backgrounds with
their
> surroundings' and some other don't?

Transparency, controlled by what can be termed "opacity" or the "alpha 
channel."

>  If you have, say, a jpeg pix and you converted to png using gimp. What
> property of "png" graphix should I look into as I ex****t the file?

I haven't used gimp in a while, but I believe the feature is named 
"Color to Alpha" or something like that; you have to make the pixels 
transparent before ex****ting.

P.S. It's graphics, not "graphix"

-- 
Beware of bugs in the above code; I have only proved it correct, not 
tried it. -- Donald E. Knuth