Point Lookout Reborn is a great mod which adds content and promotes exploration.
Here you have a nice conversion of it for TTW, many thanks to jcro25 for the hard work he puts into it and for allowing me to convert it for TTW.
You will need the meshes and textures from the original mod, simply replace the .esm with the one provided here.
Be sure to endorse if you enjoy the mod.
Updated to v2.4.1 on 30/03/2015