GeoSpatial Web Backgrounder - Geoblogging
As u know Flickr allows you to share photos and annotate them. Google Maps shows the map with Pushpins etc and can be embedded. So the Guys at geobloggers.com joined the two allowing pictures to be annotated with Geographical co-ordinates.
In fact, Steve has cooked up a fantastic bit of script, assuming the hazy mudge bit in the middle gets to look nicer ;) It streamlines the whole "How do I find my lat/lon" part.Click here to check it out.
A guy called Mark has created a lovely visual step by step walkthrough of the process of adding GeoTags via this method.
Of course if you have a GPS enabled Camera phone you are in paradise… Almost ;-)