There is a site out there that allows Blackberry users to submit ringtones and themes to them and they will create it for free. Now i no is sounds unbeilveable but go to the website your self. I did and they have provided me with 5 themes and 10 different ringtones. I mean it is so easy. Here is the website
BB OuT. They have great service and they willl create what ever your heart desires in about one day so check it out.