I sent the following post to teltalle forums but after reading this topic I doubt the solution can be found:
I have 8800GT and 20'' LG widescreen monitor (native res 1680x1050), I also have 32'' LCD TV (native res 1360x768). A while back I added custom resolutions to my LG monitor, such as 1440x900 and 1280x800 - when I run Sam and Max on my LG monitor I can set all those resolutions, and of course my native one. All is well and good.
However, when I set my TV LCD as primary display and run Sam & Max (S2E1) I can only choose 800x600, 1024x768, 1280x720 and 1920x1080 - I cannot choose my TV's native res. When I choose 1280x720 the picture is interpolated and looks bad. I tried adding 1360x768 to custom resolutions (although it is already there as a predefined, default resolution) but it did not help. In Options I still cannot set it. This effectively prevents me from experiencing Sam & Max goodness on big screen.
This is not my TV's or video card's issue - when I run Gears of War, for example, I can set 1360x768 without any problems.
Is there any solution to this problem, i.e. forcing Sam & Max to run in a user defined resolution?