Below are examples of Grokker affiliate or advertising posts that yielded high conversions. I hope you find this useful when creating your own unique campaign
Elephant Journal – http://www.elephantjournal.com/2015/08/elephant-partners-with-a-streaming-service-that-offers-yoga-meditation-fitness-healthy-cooking-classes-for-you/
Yoga.com – banner adds only but placed throughout the site
https://somuchyoga.com/best-online-yoga-classes/ – great comparison of multiple programs