It's always important to make your training material as interesting as possible. Infographics are a great way to do this. What are infographics I hear you ask.
a visual image such as a chart or diagram used to represent information or data.
"a good infographic is worth a thousand words"
Take a look the one from ResourcefulManager.com on the right here. It can be a great introduction to training to get people's attention and get them trying harder to listen or more topical, for example training on Customer Service.
Best of luck finding a great infographic to add to you course material! There's plenty more at resourcemanager.com
Another nice daily infographic resource is www.dailyinfographic.com
Enjoy adding some interesting content to your training material. Of course you can create your own, but I'm going to have to check for myself which of them works well..