snepp
King
Yea, the "Commando" promotion. It takes a while to get to that XP level. I'd recommend against it - it sounds nice, but if that one unit gets ahead of the pack the AI will destroy him first, it's easier to destroy one unit.
It's fantastic for going to war against inferior targets, blitzkrieg on speed.


and
, making them very attractive for cottages. Therefore if you can move your settler to claim more riverside tiles, it's almost always worth it.
bonus, so you should ensure your capital has a few hills to work as well. In addition, settling right on top of a plains hill will give you +1