Yeah, my thinking was that in nature (barring earthquake, landslide or flood) rocks and trees tend to stay put; so having a speed trail coming off of them doesn't make sense. Thank you all for checking this for me -- I was afraid I had done something unspeakable to my software ;-) I will report this as well, but if more than one person reports is, it might get faster attention. Thanks again!

SF to LA: From June 1 to June 7 2007 I will be riding my bicycle 545 miles to help support people living with HIV/AIDS. Please visit my homepage: http://www.aidslifecycle.org/6010