Where do i find new tumblers for driver door? Can i do the same for my ignition?

The idiot that replied to your first post , was trying to lead you in that direction. By the way , if you are thinking of re-keying the ignition switch by yourself......be careful!! trickier than the door lock cylinder(unless you are a locksmith). Unless you buy a set , OR have the key code needed to determine which tumblers you'll need , you need to have the old one out , and tumblers out , to ID them (make a diagram of the positions), so you can use the same key. Lock and key store may be a start for supplies and better 'hands on' type info you may want.