I wanted a mod that made blood decals stay on weapons for a bit longer than vanilla, and http://www.nexusmods.com/skyrim/mods/223/? that does exactly that. However, since the mod overdid it and made the decal stay for too long, I wanted to make my own seeing as it looks like a simple tweak. By looking at the ESP's content with a text editor, I figured out the changes are made to fWeaponBloodFadeDuration and fWeaponBloodLifetime, and if I search for these in the Creation Kit's Find Text tool with the ESP loaded, they show up there as being of the GameSetting type. However, they don't show up on the object window, nor does there seem to be any place where I can edit the timers for these two settings. What am I missing here?

In the top toolbar of the Creation Kit, select the "Gameplay" dropdown, and then "Settings." This will bring up the list of game settings which you can then edit.

How did I miss that! Thank you.