Now I can ! With Flickr geotagging - that is as easy as you can imagine.
I do not have to take care about GPS, geo-positions, etc. Just drag-and-drop - and you can easily place your photo anywhere on the Planet :)
Plus, other people can not only see where it was taken (click the map link in the metadata section of e.g. this photo on Flickr page) - but can also know the name of the place where it was taken.
Cool, isn't it? Now you can see where is my in-law's garden where this photo was taken :)
And, btw. I managed to geotag about 1000+ photos so far (more coming soon) which is just a fraction of what has been geotagged by the whole Flickr community within last 24h.