Wanting to be able to display a country flag that your members choose from a dropdown? This plugin allow for a simple Country profile field. It can be displayed in Display Format so it will show up next to your posts. Also Pages compatible.
To add as a profile field go to Admin CP > Members > Member Settings - Profile and click to add a profile field. You should see it in the Field Type dropdown as Country (CVH).
For installation please read install.txt, and also readme.txt.