Stained glass

[Maciej]

Gentlemen, What I need is any idea how to produce stained glass, using certain bitmap file.

See below:How to make the shadow "Union Jack" coloured? 

I played a little with transparency, alpha channel, forward & backwards directed, etc., etc.. :

This is, as above, png decal added to the region, however alpha channel.

And this - color strenght set to 0:

There was, unfortunately, coloured shadow in no case.
Any idea how to do this?  As the shadow should be on lot of internal elements, mass furnitures etc., PS action seems to be neverending job...

Furthermore, how to make the glass colours looking more like glass - nice, sharp silhouettes shown behind the stained glass object? This one looks more like japanese paper window...

Any help appreciated...

Union Jack is, of course, just an example...  :)

[Peter Milner]

Like this

[Maciej]

Peter,

Settings as indicated, but png decal. Should it matter?

BTW no material assigned neither to object nor to layer. Should it be i.e. glass or something similar?

[Maciej]

Ok, problem solved.  :)
B&W shadows only on groundplan with alpha channel.

Everything seems to be ok with any other groundplane, provided NO alpha channel.

Thanks fo being helpful, gentlemen.