Just extract it to your SE4\Pictures\Combat folder.
It will overwrite the existing pictures (torps.bmp and beams.bmp), but be assured that it is 100% backwards compatible.
Sucide Junkie is correct. YOU NEED TO UDPATE YOUR IMAGE MOD COMBAT PACK. I have stated this in the Star Trek thread when we first encountered the problem.
While your at it, update all of your Image Mod packs.
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Creator of the Star Trek Mod - AST Mod - 78 Ship Sets - Conquest Mod - Atrocities Star Wars Mod - Galaxy Reborn Mod - and Subterfuge Mod.
Thanks guys, I have the new planet, Facility, and the componet packs i did not know that i needed the combat one to. I will update you if it fixes the problem