The Debian neverball-common package is missing /usr/share/games/neverball/geom/goal/goal.png (star image) along with the other .png files and material files in the geom directory. Make sure these files are present in the package.
/usr/share/games/neverball/geom/back/back.sol /usr/share/games/neverball/geom/beam/beam /usr/share/games/neverball/geom/beam/beam.png /usr/share/games/neverball/geom/beam/beam.sol /usr/share/games/neverball/geom/flag/flag.sol /usr/share/games/neverball/geom/flag/red /usr/share/games/neverball/geom/flag/red.png /usr/share/games/neverball/geom/flag/white /usr/share/games/neverball/geom/flag/white.png /usr/share/games/neverball/geom/goal/goal /usr/share/games/neverball/geom/goal/goal.png /usr/share/games/neverball/geom/goal/goal.sol /usr/share/games/neverball/geom/jump/jump /usr/share/games/neverball/geom/jump/jump.png /usr/share/games/neverball/geom/jump/jump.sol /usr/share/games/neverball/geom/mark/mark.sol /usr/share/games/neverball/geom/vect/vect /usr/share/games/neverball/geom/vect/vect.png /usr/share/games/neverball/geom/vect/vect.sol
