Some ideas for this are:
-Promotion of recycling
-Promotion of exercise and healthy eating
-Promote anti global warming tactics
-Promote anti drug use
For any of these, simply look up:
-A catchy phrase
-Bad effects if no action is done
-Good effects if action is done
T . When you refuse to do something its cause you know it is wrong or you dont want to do it to be like everyone else .
It is a type of fin that is on a shark dolphin etc its a special type of fin