Idea Cookbook Activities and lesson plans for classes of all levels, as well as tips for dealing with practical classroom issues, abound here.
Ideas are teacher-tested and organized by topic.
Here you can browse through lesson plans for all levels of instruction. There are also links to teaching techniques and tips. John and Sarah's TEFL Pitstop John and Sarah pass on the great classroom games and activities they've developed and collected over the years. They provide graphics to photocopy for your class, too. These downloadable worksheets and tests are provided as supplementary materials for ELT's courses, but can be adapted for use in your clasroom as well.