I would definitely recommend the parallax scrolling like bombshell suggested. It does kind of look like a photo-filter. I like the effect that the canvas provides, but it also seems lazy.
As for the background being rendered in photoshop, sometimes it looks better if a background is fitted with smooth antialiasing, so dont worry about that.
As for the background being rendered in photoshop, sometimes it looks better if a background is fitted with smooth antialiasing, so dont worry about that.