Forum - rank images
How to use display rank images in forum
At first, you need to set this in forum preferencies. Using core Rank system is not enough.
The result depends on theme and if it's bootstrap base theme.
Standard for bootstrap theme is:
You need to customize forum view template, if you want any different output.
Moved from forum
You need to have plugin Private messages installed. Go to unistalled plugins and install it.
Then go to Configuration and set what you need.
Don't forget to test your PM mail notification.
If anythiing is not clear, just ask.