Yeah I use my own format. There is a blender exporter, so if you want your models to blendelf and you don't use blender, you can import them to blender and from there export them to blendelf. There is a tutorial available for blender exporting:
http://blendelf.com/tutorial5.html Also, made a new video! Playing around with dof and bloom.
http://www.youtube.com/watch?v=qg7_N2-H4Wg