With the 3fat chick trackers, you go into usercp and then edit signature, scroll to the edit box, if you see the picture click on the little box top right with 2 A`s in. This changes the picture to words and numbers.
You should then see woman slider then your start weight/goal weight/ current weight click next to current weight and change it......once you have done this scroll to the bottom of the page and click save signature.
Then you should be sorted.