> Here's my output from lyx while generating a .dvi of your example: i guess you must generate postscript.
what happens if you run: dvipost a.dvi ? > lyx > dvipng warning: at (-1,-1) ignored header \special{!userdict > begin/bop-hook{/isls false def/vsize 792 def/hsize 612 def}def end}. you have installed elsevier class, right? (without it the problem won't appear) pavel