This 17-slide PowerPoint follows the 2016 Seminary Lesson 142: James 3.
An interactive way to teach about the book of James
A complete lesson plan for James 3-5
I believe Joseph Smith gave us a beautiful bridge between the discussion on faith in chapter 2 and controlling the tongue in chapter 3: Lectures on Faith 7:3 (pg. 72).
Great teaching tool found on page 413 of "The Life and Teachings of Jesus & His Apostles"
CES List of Resources for James 3-5