ELGG EXPERT NEEDED** I need help w/ user profile paths...

how do i change my elgg website's user profile paths from the default: http://mysite.com/pg/profile/johndoe TO http://mysite.com/johndoe 

you know, how myspace has their profile paths structured?

an example of an elgg website having this path structure is http://eduspaces.net/janniea/

ANY HELP IS APPRECIATED :-)