Actual analogies used in high school essays 
A couple that caught my eye:
"His thoughts tumbled in his head, making and breaking alliances like underpants in a dryer without Cling Free."
and
"John and Mary had never met. They were like two hummingbirds who had also never met."
Source: http://www.oxidize.com/Story-5274-Her-vocabulary-was-as-bad-as-like-whatever-.aspx
bookmark it using del.ico.us
Digg it
add it to Reddit
bookmark it using Ma.gnolia
seed it to Newsvine
see who is linking to it