MegaGlests' game mods menu let's you install many new mods. Even more are available on the MegaGlest Wiki and the Mods forum.
./megaglest_g3dviewer --load-unit="../../data/glest_game/techs/megapack/factions/egypt/units/pyramid",stop_skill,attack_skill --load-model-animation-value=0.5 --load-particle-loop-value=8 --zoom-value=0.33 --rotate-x-value=20 --rotate-y-value=20 --auto-screenshot=disable_grid,saveas-weird-pyramid.png
./megaglest_g3dviewer --load-unit="../../data/glest_game/techs/megapack/factions/egypt/units/pyramid",stop_skill --auto-screenshot=saveas-standard-pyramid.png
Is this happening with just that one model? or Every model?