Hidden picture ( you can use one from any textbook - the only thing is that it must be relevant to the topic to be discussed).
Teacher shows Ss a small part of the picture - students in groups discuss what it might be - you can put some of their ideas on the board if you wish.
If you don't hear any nice ideas, you can try gradually revealing some other parts of the picture.
Gives an overview of any reading text with a picture.
