According to step 4 of the MapCruncher sample, http://help.arcgis.com/en/sdk/10.0/arcobjects_net/conceptualhelp/index.html#/Sample_Multithreaded_MapCruncher/000100000mmm000000/
Once the cache is finished processing, open Engine or Desktop, navigate to the cache folder, and add the cache as a raster.
Basically I want to use the precooked maps in a dynamic display environment, but I'm not clear what they mean by "add the cache as a raster". How can I do this and do you think it would even work?