Following an update to Photogene for the iPad earlier this week, the iPhone version has also received an update. Photogene 2.6 for the iPhone and iPod touch adds the new features introduced in the earlier iPad version including support for Flickr and FTP uploading, custom resizing and IPTC metadata. This update also adds support for the Retina Display, 5MP camera and rear-facing camera on the iPhone 4 and brings Fast App Switching and background saving…