Well done. If you are worried about leakage, you can use JB weld to seal up your stove.

http://www.amazon.com/J-B-Weld-8265S-Com...words=auto+weld

Should be available at any autoparts store.

If you are looking to improve your manufacturing techniques you should check out tetkoba on youtube:

http://www.youtube.com/user/tetkoba?feature=g-user-s

The man is a genius of novel alcohol stoves. He shows you how to make all of his stoves and he even has a video going over his tools.