How to crash your friend timeline . 
simply click here to open a picture on my face book page . https://www.facebook.com/sharer/sharer.php?s=2&p%5B0%5D=582109601810429&p%5B1%5D=1073742104&mode=friend
share that picture to any of your friend's time line .
done ;)
To delete the image :
- From your friend's timeline :
Click This link : https://www.facebook.com/me/allactivity
And delete your shared photo on your friend's wall :
- To Delete This image that your friend posted it your timeline :
Clik this link : https://www.facebook.com/me/allactivity?privacy_source=activity_log&log_filter=cluster_5
And Delete Their Post
Tutorial :