Okay.
First go to
http://dot.tkSecond, get the domain name you wish - may or may not cost.
Third, go back to your admin panel
Forth, Clink on the section that says Domain Name
Fifth, Go back to Dot.tk and make sure that you have it set to where it is sending the domain name to the right link.
Sixth, enter the .tk link into the appropriate place in your admin panel
Seventh, test the link
Eighth, If it works, then you are all set!If not, shoot me aPM.
PS: Sorry about the spelling errors.. Sorta hard to type on a phone..