Make blender particles a specific shape? I have just followed and completed a tutorial that made a woodchipping effect on the text. this is a link to it:

https://www.youtube.com/watch?v=YFmN7eTNfNw

I would like a specific shape for the particles that come off, though. Is this possible? I am new to blender and stack exchange so please so your help would be much appreciated :)
In the render panel in the particle system options check "object" and select your object.