Exifography displays EXIF data for images and enables import of latitude and longitude EXIF to the database.
No. Exifography uses data imported to the WordPress database upon image upload. Only images uploaded with WordPress will have their EXIF data available to Exifography.
Yes! Previously this plugin was called Thesography because I built it to use with Thesis, but that same functionality is available for all themes now.
See the above answer.