If you are limited to a couple of megabytes per email by your ISP or Hotmail or whatever email service you use, take a look at Dropload. They allow you to upload up to 100mb files to their servers, along with an email address of the person you’d like to send the file to. Then Dropload notifies the recipient that you have “dropped off” a file for them to pickup. They then click a special link and are allowed to download the file from Dropload’s speedy servers. If they don’t download the file in 4 days, it’s deleted automatically, but that should be plenty of time for most purposes. You can also only download the file once.

Another comparable service is YouSendIt which has a 1gb storage limit.