Trying to download Galacticraft for Minecraft, Invalid or Corrupted files?

I'm at the modcreator's website for downloading Galacticraft, but when I download the files, they just show as: "Error: Invalid or corrupt jarfile C:\Users\Tim\Downloads\Galacticraft-1.6…

Does anyone else find the same problem, or could I find working files somewhere else perhaps?

Download the files again because that mean you must have closed the web browser or something along those lines, just try downloading it again, happens to me all the time

You can try download here: http://3minecraft.com/galacticraft-mod/