Rainbow Dash gets accepted to the Wonderbolts as a 1st runner up in case somepony in the lead show gets injured or whatever. But shes in! To Celebrate, her and the girls Enjoy large amounts of Cider. Some things happen, and now shes having twins and Big Mac is the father.

Problems arise after they are born however, as not everything is sunshine and smiles.

NOTE: This is the 3rd arc, and it goes on a completely different path. Clink the link below to the story before this if you want some things explained, otherwise, just enjoy it. If you like to play guessing games, be my guest and continue reading.
The Rage of a Damaged Father

P.P.S. I'll add a pic when I find something suitable. Couldn't find one, so I made a crappy one. :p