Record yourself reading this into the Eyejot recorder using your mic and/or webcam:
"Hello, my name is ____seu nome aqui____. I live in Brazil and study English in my free time. I would like to be fluent in English someday.
Three days ago I read a good book; it was on a Tuesday. Yesterday was Thursday, so I had to work.
Vacation is approaching and I can't wait to go to the beach!"