The banners that look like clickable thumbs has gotten out of control.
I'm sure that they have a good click ratio but only because surfers think they are going to see a bigger pic so I doubt they do much for your bottom line.
Making it look like you can
Click Here for something when it is only an illusion helps no one.
The pics are very good video grabs so they might get accepted or maybe not depending on the niche and how many submits I've been getting to it.