I have a screenshot from John the sorcerer now where the first room is finished except for the background graphics :

files can be found at http://sourceforge.net/projects/johnthesorcerer/files/?source=navbar
You best download version 0.2.22.

Then I remade my old Super Mario codebase, the code and Open Content (paid for) graphics can be found at : http://sourceforge.net/projects/brothersinarms/
There's also a windows exe in that files section, run the game.exe in the subdir dist/ directory of the zipfile. graphics and maps are packed therein.
Here are some screenshots of the SMB game's first level (there are 2) :

I worked the clock round, so I'd better go to bed now :-)