I just posted an extension activity for Lesson 13 using Clicker 5. I took most of the sentences from Book #1 Level A and created sentence scrambles of each one (except for chipmunk - I did not have a PCS symbol for chipmunk).
You will need a free account from Learning Grids. The file will be posted here and is called Unique October Sentence Scramble:
Oct 14 2012, 12:15 PM