Use the transfer service from www.wetransfer.com. The website provides you with 2GB to send those large files with no hassle. There is no limit to the number of transfers you make. It also allows you to email as many as 20 people. And yes.....it is FREE!!!!!
While you are transferring your data, the site provides some beautiful artistic advertisements.
Your recipient(s) will receive an email when the file(s) are ready for download.
Once they click the download button, they are directed to the wetransfer site as seen below.
From your side, you will receive an email with confirmation that your file(s) have been sent and another email when it has been successfully downloaded.