I use dropload.com – it’s a free service that lets you upload up to 100MB and an email will get sent to the recipient – and he/she can download it from there.
Two catches:
1. The file is only available for a week
2. The file can only be downloaded by one person.
You should also check out streamload.com – they have a free service, too.
Wayne
2DP G5, 3.5GB RAM, FCP HD