This shows how I stow stuff
Upper left is the 55-200mm in its blue dust cover,lower left is the flash
Upper right is th 50mm (or the kit lens) on top of a fold down flap . below th flap are the cokin filters and whatever other filters I am carrying. The ultra pod sheathes on the edge.
In the center is the DR + whatever lense is on it. The vertical separators snugly hold the camera in place.