Mr. Juyak
Watch the tutorial in the link below where Qua Michalski shows how to use layer emitter. May be this will sort out your problem. Its a big tutorial but makes you clear how to use Particular with layers as emitter.
http://qubahq.com/2011/01/tutorial-procedural-disintegration/
Vishesh Arora
VFX and Motion Graphics Artist
http://digieffects.wordpress.com