Dumfries and Galloway Online has lots of useful local information.
Dumfries and Galloway Visitors Guide is also good.
Annan is about 5 miles from the cottage.
The Annan site has information on activities in the area, eg. Walking, Birdwatching, Fishing, Golf, Cycling.
If you are interested in a Gretna Green wedding, try Anvil Hall Wedding Venue. Bonshawbrae is about 7 miles north of Gretna.
For a lovely wedding venue about a mile from the cottage there is Bonshaw Tower.