need help burning ps2 iso

[madgame112]

I'm new to this board so please bare with me. I recently downloaded acouple ps2 games from a bittorrent and whenever i oped the file all that is there is a iso file.

I burn the iso image with my dvd burner and when its all complete i load it into my ps2 using the swap magic disk but for some reason the game never loads

what am i doing wrong?

and also i tried burning the image with the dvd decrypter and that didnt work either

thanks for the help