You can upload to 7DayPic.com using any of these apps

Nokia

7DayPic uploaders for Facebook, Twitter, and Orkut

Fotogram via 7DayPic for Facebook, and Twitter

Get all the Nokia apps for 7DayPic at http://store.ovi.com/search?q=7daypic

Android

7DayPic uploaders for Facebook and Twitter

Get all the Android apps for 7DayPic at https://market.android.com/search?q=7daypic

iOS (iPhone/iPad/iPod touch)

Official Twitter app (Free)


Get it at http://itunes.apple.com/us/app/twitter/id333903271
Instructions: Go to Settings, Services, Image service, Custom and enter:
http://7daypic.com/api/upload
then click Save.

Step by step instructions and screenshots at: http://blog.7daypic.com/post/4954431813/here-are-some-step-by-step-instr...