Cc4Fuzzy! to clarify... I know how to do Layering, I know how to take a transparent file and add it over another as Layering, and blend/combine them into a single file... but what I want, are actual transparent textures that I can use to do the layering. Ready to use, pre designed transparent textures of old mold, cracks... anything to make it look even more worn and decayed.
Let me give you guys an example...
I recently bought this Texture Set, within Second Life, that I use to build structures with in Second Life...
https://marketplace.secondlife.com/p/Urban-Textures-Condemned-Buildings-Set/7138
I can download those textures onto my computer, and modify them if I want too.
What I want, are more transparent layers that I can apply over them, to make them look even more worn, rotten, decayed... more dark and grungy...
But i don't really know how to actually MAKE transparent textures like that, as I am really quite the beginner with this stuff... so I am looking for any pre-made sets out there that I can acquire...
The Tutorials that RED posted above, look like they might teach me how to do some similar things, and I am going to take a look at them; but I would still like to try to find some source of pre-made stuff like this.