1234, Main Street
Boston, MA 02123
05 April, 2005
<Recipient Address Goes Here>
I am <your current situation>, and I would love to offer any skills I have to you as a <type of service>.
If you would like to accept my offer of assistance, please give me a call at <phone number> or drop me a letter at <address>. I look forward to hearing from you.
encl: <List of enclosed items goes here>