Scratch

To upload, simply go to the 'Share' option along the top of the Scratch program, and select 'Share This Project Online'. Fill in your username (lance1234) and your password, and then fill out the title of the project and its description. Tags are words, and if someone on the Scratch website searches for a project they can find yours more easily if you fill in tags. Try to keep them relevant to the project though.

Hope this helps