I'll shmaplefle your shclagorglymorg!
Erm. Just read it it is very informative. =) I suppose this could be considered a new years gift to the moddb starcraft community, since it is an age...
So, this will explain how to make StarCraft II run in a lower resolution then what it can actual support! There will be pictures.
Here is how to install this mod its not very difficult! hurray!