This image of SDH was originally drawn for panel 1 on page 45 of my 2009 comic Super Duper Ham: Day One. The walrus was drawn for panel 4 on page 38. The unused image of McCarren Park in Greenpoint was drawn for the scene on pages 8 through 12.
The three images were collaged together with white paint in 2011.
I added color in 2015.