Looking for cheap camping+ fest on the Aug Bank Hol w/end.

All these either too expensive or inappropriate:

http://www.towerseyfestival.com/

http://freewebs.com/solfest/index.htm


http://www.bridgnorthfolkfest.co.uk/


http://www.cornwallfolkfestival.com/

http://www.bluesfestival.co.uk/


http://www.folk-roots.co.uk/





Any suggestions?