Flickr.com offers direct upload from Apple iphone
http://www.flickr.com is the free image hosting service. Nokia Nseries and few other phones got the inbuilt Flickr uploading features.
After long time now flckr.com introduces the way to image upload via web browser from the phones. Firstly it is available for iphone. If you need you can test from your mobile phone browser. go to http://m.flickr.com/ using your mobile phone ,it provides all the way to upload your images via web browser.
Iphone owners can be very happy as this feature is a very laking part for long time.
Nokia owneres already have this features in all the high end phones like N95,N96,N79 etc..