Look at these titles! LOTS of resources and ideas for your TEFL classes.
*ESL Conversation lessons by Alex Forero
*150 ESL games, plays and drama activities
*500-Grammar-Based-Conversation Questions by Larry Pits
*Approaching English grammar through songs. By Muayyed Juma
*What teachers need to know about teaching methods by Peter Westwood
*Principles of Language Learning and Teaching – By Douglas Brown