Sick of the same old bomb-making videos? Well, this one might peak your interest, even if it doesn't tell you exactly how to make the smoke part. Check this out to see how to make a pull ring for a smoke grenade.
To make a pull-ring, you'll need some matches, a matchbox with strikers, electrical tape, a rubber band and a piece of wire or a key chain loop. Once the pull ring ignitor is made, insert it into your smoke bomb. If you want to know how to make a smoke grenade, search wonderhowto for "build orange smoke bombs."