Is there a way to split screen my 2 shamans?

[Bongzy]

Here are my settings in maximizer http://img269.imageshack.us/img269/2589/settingse.png

[Slats]

OK that looks fine - I am unsure why this is not giving you the layout you want?

You could make that horizontal if you wanted just adjust the region by dragging it or use the premade options on the right.