I'm thinking about ponies. (I always do)
I'm thinking about my new Nokia N8 that should arrive within a few days. That'll be my first smartphone

I'm thinking about a sick parrot in my local zoological shop. Poor thing!

I would rescue her right away if I could.
I'm thinking about how many times I can edit this post.
I'm thinking about editing this post as many times as I can.
I'm thinking about my lack of signature.