on the tabs that say "basic info, name, companies etc..." find the one that says "song and video on profile" and click it.
there is a blue link that says "find a band in myspace music" click it
this leads you to the music page and on the top right side of the page is a search box. type in flo rida. this brings you to the profiles of flo rida, just click on the first one. after the page loads there should be a music playlist usually on the top on the right hand side which has a list of his songs. find the song you want and underneath or next to it there's a link that says "add" click this.
the next page that pops up is a conformation page. it asks you if you want this to be your profile song. click yes and your set =]]
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