This article by Michael Thompson has 12 great tips for teaching boys. He is mainly talking to school teachers I think, but much of it can be applied to anyone trying to teach boys anything at all. Even bible study with the family in the evening could be better if you knew how your boys learn. Thanks to Hal and Melanie Young over at Raising Real Men for linking to this!
*BONUS* I just read another great one posted over at Raising Real Men called Boys Need Heroes. Spot on!