I turned my jpgs into a multipage pdf using sam2p and pdfjoin. As a test, I tried inserting just 1 page of the pdf into lyx as external pdfpages. It will display onscreen within lyx, but not in the finished pdf output from lyx!
I did use pages=- option. If I export as luatex, and run luatex, it shows no error. But the pages that should show images are just blank. If I run lualatex from command line on the exported .tex, I see ... </home/nbecker/Downloads/pilotless/20131210_122111.pdf, id=95, 3276.24pt x 1842 .885pt> <use /home/nbecker/Downloads/pilotless/20131210_122111.pdf> <use /home/nbecker/Downloads/pilotless/20131210_122111.pdf> </home/nbecker/Downloads/pilotless/20131210_122111.pdf, id=98, page=1, 3276.24p t x 1842.885pt> <use /home/nbecker/Downloads/pilotless/20131210_122111.pdf, page 1> <use /home/nbecker/Downloads/pilotless/20131210_122111.pdf, page 1> <use /home/nbecker/Downloads/pilotless/20131210_122111.pdf, page 1> <use /home/nbecker/Downloads/pilotless/20131210_122111.pdf, page 1> <use /home/nbecker/Downloads/pilotless/20131210_122111.pdf, page 1> [4 </home/nb ecker/Downloads/pilotless/20131210_122111.pdf>] (./Highlights.aux) ... So it seems to be working. I played with the size options, setting size to 100% text width (to scale down the images). Any ideas?