As I posted before, this is what my lockscreen looks like, number is my Google Voice number so they actually can contact me if they find it.
Of course this puts a lot of faith in the finder, so I also have it set to wipe after 10 mismatched passcodes.
This is off topic but how did you blur parts of your image like that. I'm trying to do that in Photoshop but I keep having to go over and over some lines and it is still noticeable.