> I am trying to create a texture in which selected parts, masked by an 
> alpha mask in the image (png) will glow, even when little or no light is 
> shining on the surface. Any sugestions ??
> 
> bit

Any texture with a ambient >0 will glow by itself.
Just set the underlying texture with an ambient value like "ambient 1", 
and the mask with "ambient 0"
If your scene use radiosity, those parts will actualy illuminate ther 
surrounding, but NOT any media.


If you want a glowing hallo, you need to put some emissive media in the 
area.
In this case, you may use a blured, black and white, version of your 
mask and use it as a density_map for the media.
In a radiosity scene, that media can shed light IF you set "media on" in 
the radiosity clock.



Alain

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