E-mail, huh?
The screenshots are saved in your screenshots folder, C:\Hitech Creations\Aces High III\scrshot, right?
So, you open your e-mail program or site, start a new mail, type the recipient's address and a title plus a message. So far familiar, isn't it? Then you find and click the "attachments" symbol, most likely a paper clip, and navigate to said folder and click the screenshot you want to attach to the mail. Wait until it has been uploaded and you'll see "Name_of_attachment.jpg" in the attachments field. Send.