a bogus story from the beginning

 Bogus - false, non authentic

He's a lying dog faced pony soldier

 Dog faced pony soldier is referencing an Indian scout (dog faced) pony soldier (U.S. Cavalry). It is not just any Cavalry recruit, but instead an Indian helping the Cavalry.

arrows in their quiver

 What is the meaning of Arrow in the quiver?

an arrow in the quiver one of a number of resources or strategies that can be drawn on or followed. See also: arrow, quiver Farlex Partner Idioms Dictionary © Farlex 2017

There is no standard for determining how many arrows may be held in a quiver. 

grainy pristine

 I'd rather watch grainy footage of Randy than pristine footage of most other guitarists

I'm off to find a new life so me

  "I'm off to find a new life" so me