Using that stuff sparingly is fine. Look, I think what PhilipK is doing there is a far cry from CrazyBumping a diffuse texture or hand painting a normal map. It's all varying degrees, right? I CrazyBump stuff sometimes to add accents or lettering to a normal map but I don't think it's a great thing to get beginners hooked…
Well, one possibility would be taking textures from a site like http://cgtextures.com/ (also take a look at their texturing tutorials!). If you want to take your own photos, you don't have to find EXACTLY what you want your result to look like. The best start would be a simple concrete texture, and a metal texture, i guess…
Not worked on this in over a week due to having wisdom teeth removed and then getting an infection resulting in agony and choosing to stay in bed feeling sorry for myself. I finally managed to get back onto it yesterday and I've started making some more progress. Still a long way to go but it's nice to know I'm not too far…
@ MrOneTwo: Thanks! You're totally right, I noticed that the decal doesn't look right just when I posted it. I was actually planning to work on the final lighting tomorrow, and already thought of brightening everything up a bit - it's good to know that other people think so, too ;) But I guess I'll keep the barbwire, I…
Well time to tip over my king as well; And I kept meaning to add that 79 in there, but due to poor time management, I ended up working all day today on this from like 5 pm to... what's now 4 am rofl, and I guess I was just tired of this and left it as it is. But live and learn, I got to see just how much time stuff takes…