Leaky heater pipes!

I've been losing coolant very slowly for a few months, and I could see rust on one of the heater tubes behind the intake manifold, so I decided to pull the intake and replace the tubes. It's a good thing I did because these were a ticking time bomb waiting to happen!

http://i77.photobucket.com/albums/j56/faxisis/0727002109.jpg

http://i77.photobucket.com/albums/j56/faxisis/0727002014.jpg