After finishing the tutorial of creating terrain and becoming a little more familiar with blender I decided to write a tutorial that focuses on blender as a content creation tool for Irrlicht, specially as a level editor.
The only thing that blender still lacks of is lightmapping capabilities, but I tried to build some simple stuff, UV map it, and using the same exporter as in the terrain tutorial, exported to X and loaded the level into irrlicht. I set up a basic example using dynamic lights and per pixel lighting and the results are good. I'm happy with the results I'm geting from blender. So far it's still a project, so any suggestions and ideas of what you'd like to see in it are welcome! Meanwhile, I'll keep on experimenting with blender.
http://afecelis.gdlib.net/Irrlicht/blenderlev00.jpg
http://afecelis.gdlib.net/Irrlicht/blenderlev01.jpg