http://news.bbc.co.uk/2/hi/science/nature/4688000.stm
A summary of the team's main discoveries:
A new species of honeyeater, the first new bird species discovered on the island of New Guinea since 1939
The formerly unknown breeding grounds of a "lost" bird of paradise - the six-wired bird of paradise (Parotia berlepschi)
First photographs of the golden-fronted bowerbird displaying at its bower.
A new large mammal for Indonesia, the golden-mantled tree kangaroo (Dendrolagus pulcherrimus)
More than 20 new species of frogs, including a tiny microhylid frog less than 14mm long
A series of previously undescribed plant species, including five new species of palms
A remarkable white-flowered rhododendron with flower about 15cm across
Four new butterfly species.
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That's just a part of the article. They have pictures off of links at that url.