There are several fake cacti; just about each one forms a perfect Hidden Mickey
REPORTED: Eric Johnson 17 MAR 97
CONFIRMED: Robby Clarke 11 MAY 98
CONFIRMED: Walter Zuniga 06 FEB 01
The reported Mickey in the Frontierland Shootin' Exposition is completely Wishful Thinking. If you look, most, if not all, of the cactuses for the same three circle shape. Plus, it's not all that hidden.
WISHFUL THINKING: TRMHatter 19 MAR 01