On the Special Features side of the disc, highlight "On the Set with Secondhand Lions", then go left.
Go to "Deleted Scenes/Alternate Scenes" menu. Highlight "play all" then hit the up arrow. Cursor should highlight on Dog. Hit enter & enjoy.
On the second side of the disc, at the "Deleted/Alternate Scenes" menu, go up once to a flower icon for outtakes of the shot with the rooster standing on the pig's back inside the house.
Go to the "TV Spots" menu. Highlight "play all" and hit the left arrow to highlight Haley's overalls. Hit enter & enjoy.
All easter eggs were generously submitted by Satelk