Lucidity Poetry Journal has a poetry contest with a $100 prize and publication...
"Twice-yearly neutral free contest offers top prize of $100 for poems about the human experience. Authors must be 18+. Editor Ted Badger says: "Seeking poetry that deals with people, relationships, life issues and events, written in clear and concise English. Form of the poem is open but it must have something to say without resorting to vulgarity. Clarity is crucial. We publish poetry that everyday people can relate to, understand and enjoy." Submit 1-5 poems, maximum 38 lines each (including stanza breaks)."
Lucidity Poetry Journal
http://www.fortbendpoets.org/files/LucidityPoetryJournalClarityContest%20_%20March2011.pdf