To entertain the user while he is waiting, we suggest to add a few nice words that strikes the imagination. A few interfaces made an asset of their long loading with such an entertaining loading bar. 

It's pretty easy to implement, and it's real fun! Please check the following examples: 
 *http://www.youtube.com/watch?v=QISeHGUkLB4
 *http://www.youtube.com/watch?v=mr4nGsVhkAQ 
 *http://scratch.mit.edu/projects/Bopitman99/436421