Basically this script cleans up all decals, "removes" ghost entities (like the stray ones you get when the adv dupe tool glitches), remove all lua made effects/particles, and stops all looping sounds.

To Use:
-- Bind a key to "CleanClientStuff" and every time you press it it will do it's thing.
-- Type "DecalTimer" to toggle a timer on/off that will auto-clean all decals every 10 seconds (useful for dm servers and such)

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I know this is fairly basic, but i made it for those of you that are lua impaired/to freaking lazy to make something yourself :3

Edit: Since this site is stupid, I deiced to upload a picture of the code...