clipped from www.desiringgod.org

Pray specific Scripture for them and their ministry, and then email it to them.

Call or email their parents—Christmas might be just as lonely for the ones at home as the ones away.

Donate frequent flier miles to them.

Purchase an iTunes gift card for them. Have it sent to you and email them the account number.

Commit to pray for them on a specific day of the week for a year.

Get friends and family together to create a holiday video greeting for them using Google Video or YouTube. Include lots of people you know they miss.

Make a year-end gift through their missions board or agency.

Make a monthly commitment to support them financially.