Quick guide to nation sitting
1. Determine how long you'll be gone. Better be under 10 weeks
2. Ask someone within your alliance to nation sit for you.
3. You or the nation sitter post in the Nation Sitting Thread. Read all the stuff in the first post, or the mods could ignore you.
4. ???
5. Profit
If you have any other question, post here, ask within your alliance, yada yada yada.