It’s a simple fact you can test, but you get better results from any GOOD page by having it show up more often during anyone’s surfing session. The simple solution is to put it in your websites to be shown multiple times.
I carried that one step further by incorporating another tip I showed earlier and created a different short descriptive title for each thumbnail. That way if anyone does happen to visit my profile and mouse over the thumbnails, they get more than one benefit mentioned.
No, it’s not going to have a huge effect on conversions, but it only takes a few seconds so why not?