This virus thing is complete nonsense. Obviously, the person who wrote the article has misunderstood the information he/she was given. JPEG files do not include any kind of active components, no scripts, no executables.
The article is contradicting itself by stating:
In its current form, an infected JPG file cannot infect another computer on its own.
What kind of virus is that if it requires itself to be already installed on a computer in order to infect it? D'Oh?
But Gullotto said there's no reason a virus writer couldn't make the picture itself able to infect other computers.
Apart from the picture being completely passive piece of data, that is...
Fully automatic backups with Ocster Backup Pro 3http://www.ocster.com