I'm a big Zelda fan, and I'm planning to use Solarus as an engine for a Zelda fan game...but I don't know what the plot should be, what the map should be like, what the dungeon themes should be, or anything! Please give me ideas!

I'm a big Zelda fan, and I'm planning to use Solarus as an engine for a Zelda fan game...but I don't know what the plot should be, what the map should be like, what the dungeon themes should be, or anything! Please give me ideas!