Don't really have a better thread to mention this in, so @JadeOfMaar, @Luovahulluus, and anyone else who's been using JoM's Foreign Eagle skybox - I've given it a little love in Photoshop, and had a go at taking out the 'seams' that were in the original image (not sure if telescope effects or compositing artefacts). There's still some minor annoyances that will need a better image fiddler than I to fix, but on the whole I think you'd have to intentionally look for them to notice them  Availa