Linking a graphic to your email address will do two things. 1. It will (probably) launch the visitor's email client, which is something neither you nor they may want. 2. It will over time add your email address to hundreds of thousands of spammers' databases.
A form has to call a script to action the data. Three ways to do this. 1. Use the component built in to Fusion. 2. use a third-party form processing service. 3. Find a script on the net and hack it.
See if
one of these suits your needs. Also contact your hosting company as many provide server-side form building services.