OK, I've rented a Sigma 10-20 to take with me to Savannah, GA next week. I've never shot with anything wider than 18mm in the past. I thought the 10-20 would work well in Savannah - old town, narrowish streets so you can't back up, multistory buildings and mansions, large trees, etc. Also a chance to get creative with shots I've never been able to get in the past from the 18-55.
I've read some tutorials here and there around the interwebs, but too much is never bad, so what tips or tricks do y'all have for making the most out of this UWA?