I've never used BlueBrick, so I have no idea what (if anything) needs to be done to get it to support switches. However, the left and right point LDraw parts are on the parts tracker:
http://www.ldraw.org/cgi-bin/ptdetail.cg...s/2859.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...s/2861.dat
If you download the above files into <LDraw Dir>\Unofficial\Parts, then open them in LDView, LDView will automatically download all the necessary supporting unofficial files.
http://www.ldraw.org/cgi-bin/ptdetail.cg...s/2859.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...s/2861.dat
If you download the above files into <LDraw Dir>\Unofficial\Parts, then open them in LDView, LDView will automatically download all the necessary supporting unofficial files.