For unpaid volunteer umpires only:
2. Anything the pitcher does that is sneaky looking that tricks the runner into getting picked off a base is a balk.
3. If the catcher drops a 3rd strike the batter can try to make it to 1B but only if 1B is not occupied, or if there are 2 outs he could even try to make it to 1B if it is occupied.
4. You can try to steal. If you get thrown out you are out.
Try this website for additional info.
http://www.eteamz.com/baseball/rules/obr/index.cfm?m=1,2,3,4,5