Iphone's ringtone

I've got a 3G iphone since it was released in the market but until now it is not jailbraked yet. A friend of mine who jailbraked my itouch says he is still not sure of jailbraking the 3G model. So wait na lang muna ako. I am using Apple store for some applications for now. And i heard they are already offering ringtones for 2 dollars? hmmm... it's quite expensive for a 30 sec. music huh! i searched the internet for this and i found out that there are lots of helpful hackers out there who are stretching out their efforts to beat the continuous updates of Itunes to enable the iphone owners to use free homemade ringtones. Here's one i found in the net.