To see how to send the spy program as a link see 'Installing spy software with a link'.
To see how to embed the spy program in wordpad, see 'How to remotely install spy software'.
Using a zipped file for the attachment can be a problem when either you or your target is using gmail as gmail will block attachments that contain executables even when they are zipped.
There is however a simple solution to the problem:
Add a password to your zip file
In winrar and winzip you can choose to add a password to your zip/rar file. When you add a password, gmail will not be able to see what is inside the zip/rar file.
When sending the email, you will just need to let your target know what the password is (in the example below, we chose the 'Trojan Removal Tool' cover application.