Hi Kazzy, well done and welcome!
To add badges to your signature, go to User CP, then Signature.
The badge code goes at follows (without any spaces)
And so on.
Club ten is : swclub10:
Slimmer of the Week is : swweek:
Slimmer of the month is : swjanuary: (just change it to whatever month you need)
Target is : swtarget: