That is illegal, but you can go to GameFAQs and other websites to acquire walkthroughs on Final Fantasy 8.
At the moment, Final Fantasy IV isn't available to download anywhere. At least not legally.
No
You can find all the plots on the final fantasy wiki.
www.youtube.com
square-enix.com
It is available for download on the PlayStation Network now.
You can download it on the Simfile Databse on Flashflashrevolution.com
It can be bought and downloaded from the PSN.
Final Fantasy themes can be downloaded on a computer on the square enix website, the final fantasy extreme website, or the softonic website. These are all free themes.
you can download it with utorrent from isohunt!
You are not able to legitimately play Final Fantasy VII online. Final Fantasy VII is a single player game and was never designed with the internet in mind. You can however buy an official PC version of Final Fantasy VII.
PSN.