Well, I tried both suggestions... to no avail. I spent most of the day trying to clean up my code and convert from C-Script to Lite-C, and it just didn't want to work for me. I suppose I could spend more time on this, but I'm thinking that the eventual outcome isn't really going to help me much anyway with the ISOMETRIC view... I'm still limited in the size of the picture I can take, resolution-wise, and taking a bunch of closer-up pictures and then stitching them together looks like it would be a major pain (given that I tried it today and the outcome was awful).

I also tried narrowing the camera arc down to 45 degrees, and then to 25, and that did actually make it a little more "isometric". But given the resolution and stitching issues above (my level is really quite large), this won't solve my major problem of getting a detailed-enough shot in the first place. I posted about the resolution issue over in this thread in hopes that JCL or someone else with a workable solution might take notice; I included links to two games/engines that actually allow what I am trying to do with 3DGS, namely to take a screenshot of a much larger resolution than my monitor or graphics card will even support.