Well if you take some pics of the inside, and can swing a hammer, we can probably guide you on fixing this thing cheap. Since the shingles are new, they can be reused. You can probably frame up a new shed roof fairly cheaply if you reuse what you have.
Matt
![[Hearth.com] My wood shed is leaking badly [Hearth.com] My wood shed is leaking badly](/talk/proxy.php?image=http%3A%2F%2Fwww.dorothyainsworth.com%2Fshop%2Fimages%2Fshed15.jpg&hash=04a3bf79a7e49b9498cf2eb05fa8dbf0)
Matt