HELP! making a program autostart at login/startup

So i'm running this program called Temperature Monitor on my G4 Powerbook, that monitors the temps from all the internal sensors in the computer (battery, Graphics Processor, Hard Disk Drive Bottom Side and Top Siide and SMART disk) pretty cool program if you ask me, stays as a watermark on my desktop great for when i'm playing games or dvds or whatever, to make sure i don't overheat (i usually run a DVD on my laptop siplay and play a game on my 21" Studio display at the same time).

now here's what i need help on, and i'm sure its something relatively easy that everyone here knows how to do, but i don't, so the help would be greatly appreciated. How do I get this program to run at startup so i don't have to go and manually start it every time boot my powerbook?