Is there any site that has free ringtones for kyocera oyster virgin mobile?

I have a virgin mobile kyocera oyster phone..I am not willing to pay friggen 2.99 or whatever for a fricken 4 second noise...Any sites that have freeeeeee SONG ringtones? Or what sites are there that i can upload a song on my computer && make it into a ringtone && email it to my phone..&& how can i email it to my phone?