One great 'Jenny and Nate' 'Gossip Girl' fanfiction is 'The Unlikely Alliance'. It has a really interesting plot where they team up for a school project and end up uncovering secrets about the Upper East Side that the original show didn't explore. Another good one is 'Jenny's Redemption Arc with Nate'. This story focuses on Jenny's journey to redemption and how Nate plays a part in it, showing a different side of their relationship.