One fun challenge I tried—and maybe you’d like to try it, too?—is to create a poem using only the titles of books. Here is a link to that.
I’ve also been having fun trying “15 Words or Less Poems,” which Laura Purdie Salas runs at her site each week. With that challenge, you write a quick poem inspired by an image posted on the site.
I tried my hand at a double dactyl when the Obama family got their dog. Here is the link to the poem and notes on the double-dactyl form.