If you are a teacher or facilitator it's a good idea to explore and experiment with visuals/images as sometimes these can produce surprisingly good learning results, especially if combined with sound/expressive arts such as drama or role play.
Perhaps if you're a little nervous about introducing visuals you could try a gradual approach. Start off with your usual numbers and words and then slip in an image which enhances your theme or idea. It might be a photograph or a painting for example. Hold it up, pass it around, put it on display. Try and gauge the interest/impact.
For some people visuals work much better. I sometimes teach autistic young adults and there's no doubt that often concepts they find difficult to grasp through word and number are better understood via simple images.
High tech can also help - powerpoint and such like- which allows you to combine image and word. Best of luck in your new venture!!