Can someone briefly tell me how to texture items?

[Attractivetoast]

Hey guys,

I'm relatively new to doing it, although i do know my way around Photoshop.

Thing is, I downloaded the diffuse map of a sheet metal door from the rust workshop to use as an example, and it makes no sense?

Some pieces of the texture are inverted, and the top region of the map doesn't even show up anywhere, so I'm rather confused by this..

Without exact lines marking where things get inverted and all, I can't really figure out how people get such precise textures.

What exactly do you guys do to texture this stuff?

Thanks

[Rush]

You may have better luck in this Forum instead of here in General
Skins and Models