Looking for places to stay

Looking to find people to stay with during my trip. Does anyone have friends in the following cities (or general vicinity) who would put me up for a night or two?

Chicago, Illinois & Milwaukee, Wisconsin ~ July 17-24
Western Colorado (Crested Butte ~ July 29-31, Keystone Aug 10-14)
Utah (Moab) ~ early August
Colorado (Boulder, Fort Collins) ~ Aug 14-25
California (Geyserville, Santa Rosa, San Francisco, San Diego) ~ early Sept
Arizona (Phoenix, Flagstaff) ~ early - mid Sept.
Texas (Austin) ~ mid Sept
Anywhere in southern Lousiana, Mississippi, Alabama ~ end Sept