Create a ds106 radio bumper

_cokwr: Now that we have a #ds106 radio up and running creating a 15 to 30 second bumper for the station., _cpzh4: Audio, _cre1l: http://bavatuesdays.com/files/2011/01/ds106_radio_lock_it_in.mp3, _chk2m: Jim Groom, _ciyn3: 36, _ckd7g: <a rel=’tag’>AudioAssignments36</a>, _clrrx: <a rel=’tag’>AudioAssignments</a>, _cztg3: <a rel=’tag’>AudioTutorials36</a>