We know what you've been thinking. "Gee, I wish I could SSH into my Mac with my iPhone." Well, now you can.
WebShell is simple enough to install (just two commands in Terminal) and configure. Once it's all set up, point your iPhone to http://localhost:8022 in Safari and you're good to go!
The folks who are working on this are asking for your input. Send them your screenshots and experiences so they can make it even better. WebShell is free.