A few years ago there were ramblings about a Sam & Max fan game called Flintlocked (www.flintlocked.com). Now the project's closure is oficially confirmed, bu the developers released the beta demo along with the source code:
http://www.ridgwayfilms.com/Sam%20and%20Max%20Flintlocked%20Beta.7z
http://www.ridgwayfilms.com/Snmfl-source.7z
Anyone interested?