Fine Futurama Art
Lucas Meadows stashed this in MY CRAZY STASH
More Zoidberg fan art:
Fry and Zoidberg Costumes
Need fine art? Why not Zoidberg?
I believe that the Zapp Brannigan painting is based on the portrait which Zapp has in his quarters, which we saw in the Season 1 episode Loves Labors Lost in Space, which introduced us to The Zapper:
The portrait of Zapp is perhaps itself based on this famous painting of JFK: