Configmgr 2012 Report How to check content is used in what task sequences

Recently I was doing some content cleanup (mainly for images) in Configmgr 2012 R2 .I have found lot a images for each OS (windows 7,Windows 8 and Windows 8.1) with different versions ,especially for windows 10 .Before I delete ,I was looking for some default report to check if

570 times
Add to favorites
System Center
E-mail Twitter Digg Facebook