Probably not that helpful but might inspire you:

Ballowall Barrow:
http://www.youtube.com/watch?v=g7kisM70oQ0&feature=channel_page

Driving through Cornwall:
http://www.youtube.com/watch?v=xN-oi2WHBrk&feature=channel_page

Men-an-Tol:
http://www.youtube.com/watch?v=zAWafhPSJDA&feature=channel_page

Have a great trip!

Michael.