The bug is tannish color, more like the color of an elastic band.
Very thin, long then wide.
Will flop around when touched.
More images:
http://i849.photobucket.com/albums/ab57/darklide634/IMAG0010.jpg?t=1285739500
http://i849.photobucket.com/albums/ab57/darklide634/IMAG0012.jpg?t=1285739514
This is a mayfly (order Ephemeroptera), possibly in the family Ephemeridae - see http://tinyurl.com/24cclht for an example. Mayflies form an important part of the aquatic food web - see http://tinyurl.com/cmsmrj for more detailed information.
