Ref -

"Who says fishing isn't exciting?"

http://www.liveleak.com/view?i=133_1342025421#comment_page=10

I've pulled the audio from that to make a file suitable for downloading as an mp3 for use as a ringtone.

Use Freemake to download and convert it to mp3.

That gets you a 600k bytes file or so. Any larger may be rejected by older handies.
Enough for a 20sec long ringtone.