Dynamite
Cooldown: 12 seconds
Throw an explosive that detonates after a short delay or immediately when shot.
Coach Gun
Cooldown: 10 seconds
Blast enemies in front of you and knock yourself backwards.
B.O.B. (Ultimate)
Needs to be charged
Deploy Bob. He charges forward and knocks enemies into the air, then attacks with his arm cannons.
In case the video won't load here's the external link.
A Guide for the Hero Ashe from Overwatch
The narrator talks about the hero generally then summarizies it's abilities and how you can use the effectively in the most precise but shortest way. In the background there are clips from the game, possibly it's the narrator's gameplay. He talks about against which heroes can and can't be this specific hero be used.