ddeubel's SlideShare account has several presentations on using Wordle in the EFL classroom in innovative ways (sometimes they refer to well-known activities made more interesting by using Wordle). Not all the activities are solely for EFL use
Just for fun -see when, to whom and what time you tweet and then turn it into a cloud or with one click into a Wordle (I didn't save mine; it looked nice but a bit disturbing at the same time...to know that all your tweets can be gathered just like that! Apparently I tweet about teaching, with edchat really big next to the other words :-). You're also told about your twooshes (exactly 140 characters)
I've been teaching EFL (English as a Foreign Language) in Argentina for about 15 years. I'm interested the development of reading and writing skills and in the mental processes involved in learning a foreign language. I enjoy using cartoons, stories and images in the classroom.