I am author of the BetPot script, and some of the others.
Just follow the instructions.
Download/Install Autohotkey:
http://www.autohotkey.com/download/
Save the scripts, follow instructions, run the scripts.
Most scripts found here:
http://www.overcards.com/wiki/moin.cgi/AutoHotKey
If you have trouble, post in the relevant thread (read it beforehand to see if your question has already beeen answered if you have time) - preferably do not start new threads.
Best of luck,
dave.