I just saw an original jaeger with a grotesque at the Lewisburg show. The owner graciously invited me to come and photo, measure, fondle. So, Chris, when I get pictures, I will let you know.
Do take your time, and develop a theme. Your gun will make a lot more sense if it has a common thread running through it. Most of these guns were produced by workshops, so the parts and tasks went to many specialists in the course of the build. You will see different skill levels as well as different 'hands' working on these guns. Sometimes the metalwork is drop dead gorgeous, yet the carving is very run-of-the-mill, or the fit up is poor, even tho' the components are very high quality.
One mistake I made on my jaeger, and a major one, is that I did not settle on a particular school when I started it. I pulled things I liked from here and there. Now that I have seen more originals and have the 'Stein' book, I would do it with more reverence for the tradition, try to follow a school more closely, yet still unleash the creative beast. As you know now, the sky is the limit as far as decorative elements, thematic, materials, etc, when it comes to jaegers. But do, if you wish to stay traditional, stay within a certain region or school.