old metal roofing leaking and in need of replacement

This allows water to penetrate the roof's edge from water surface tension and blowing rain. 

The metal on the cricket's lower part should go under the one above it. 

Metal beginning to separate, letting debris under metal. This will also allow water in, and debris will become wet, letting moisture wick onto the wood decking. 

This piece of ridge metal has come completely loose, and wind blow rain could get under it, causing leaks within the attic or house.

This is where the roof was leaking again. As you can see, the metal panels have popped loose, and water can now get under them.

As you can see, the paint is starting to peel. It won’t be long before large sections of the color come off