Note, however, thatall the tests whose screenshots are shown were simplyrunwithoutanycommand-lineoptions — selectionof a backendwasautomatic. Let's look at the code.
The parts you should pay closer attention to are the code patcher, which modifies the Morrowind game executable, and the selection of graphic options based on what your hardware can take, complete with previews (for example, water effects with OR without foam).