A few more free file sharing sites to check out:
Simple Share gives you 5 GB of free storage that lets you upload entire folders as well as individual files. It does require a registration.
Fyles gives you up to 9 GB of file sharing with no log in.
goPileus gives you 1 GB of free file sharing space. You can upload files and have them available for download during 30 minutes. Any person you share the relevant links with will be able to get them.