Are you placing your finger in the exhaust when you pull the starter? Also make sure the glow plug is tight (but don't kill it) lol. That might be causing the gas leak as well as the problem of not being able to prime the engine. A bit o fuel aroung the engine might be normal, specially if you over prime it and then you have to remove the excess fuel (you know, when the cord gets harder than normal) by removing the glow plug, turning the car upside down and pulling from the started a couple of times