The above image -- showing just how large scale Saturday's national Prop 8 protest will look -- is from the flyer used to promote the big event. All of the demonstrations start at 10:30 a.m. tomorrow unless noted otherwise.

Alameda: Alameda City Hall:
Bakersfield: Bakersfield City Hall: 1600 Truxtun Ave.
Berkeley: in front of the local Berkeley Mormon ward at Vine and Walnut Street
Contra Costa County (Walnut Creek): Walnut Creek City Hall: 1666 N Main St, Walnut Creek
Fresno: Fresno City Hall: 2600 Fresno St., Fresno CA (near Amtrak station)
Modesto: Briggsmore and McHenry at noon
Monterey: Monterey City Hall: 580 Pacific Street
Mountain View: City Hall, 500 Castro St., Mountain View, 1 p.m.
Napa: Napa City Hall: 955 School St., Napa
Oakland : Oakland City Hall: 1 Frank H. Ogawa Plaza, Oakland
Redding: Redding City Hall: 777 Cypress Ave.
Salinas: Salinas City Hall: 200 Lincoln Avenue, Salinas
San Francisco: SF City Hall: 1 Dr. Carlton B. Goodlett Pl. (Civic Center Park)
San Jose: San Jose City Hall: 200 E Santa Clara St., San Jose
San Rafael: San Rafael City Hall Plaza, 1400 Fifth Avenue @ D Street (new location)
Santa Cruz: Santa Cruz County Courthouse, 701 Ocean Street, Santa Cruz
Santa Rosa: Santa Rosa Courthouse: 4th & Mendocino, Santa Rosa
Stockton: Stockton City Hall: 425 N El Dorado St., Stockton
Tracy: 333 Civic Center Dr, Tracy

For a complete list of California's Join the Impact cities, go here; for a national list, go here.