I don't know how much to impose on folks here, but I'll give it a try. I'm using Poser 12.

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I have a bunch of props/actors whose names begin with Building (ex: Building12_2)

Some of these actors have material names that begin with Concrete (either Concrete1, Concrete2, or Concrete3).

Some of these materials contain a Clouds node.

I want to change the Gain on these nodes from 1.0 to .75

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I know this is simple for Python coders, but I ain't one of them. I got as far as this:

# initial references
scene = poser.Scene()
actor = scene.Actor('ActorName')

# loop actors in scene, with specific names...
for actor in scene.Actors():
    if actor.Name().startswith('Building'):
        # ...do something

And I found this off the pydoc.browse (1521) python shell.
kNodeTypeCodeCLOUDS = 'clouds'

Can I get an Amen? I mean Script. Thanks.

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Old lady hobbyist.

All visual art or fiction is "playing with dolls."