Anyone use funformobile.com?

I was recently told about this website, funformobile.com, which has totally free ringtones, wallpapers, etc..but what are the drawbacks of this? I realize sometimes files can be corrupt or heck a phone may not be compatible..but is this a "pandora box" of spam waiting to happen for my phone? Not to sound naive, but I am still pretty novice to downloading things to my phone. I have always had basic phones before, now I have a Motorola Razr V3xx. Any thoughts or positive feedback?