Hi, Step by step procedure for creating koha coverflow images for the OPAC which useful for the basic koha users is below. http://blogssuresh.blogspot.in/2017/03/step-by-step- procedure-to-create-koha_15.html I did this on a 14.04 and koha 16.11 version. Source for doing the procedure is: http://bywatersolutions. com/2016/06/28/koha-coverflow-setup/ If any issue with this procedure or any easy way to achieve this, please let me know. -- Regards T. Suresh Kumar