Doesn't working anymore!

I saw that the developer does not answers the support questions and the plugin does not working anymore…

I’m trying to use this plugin as blurred background of posts I’m selecting the blurred option then click on “insert in to post” http://prntscr.com/8in1ei but it gives me http://prntscr.com/8in2p6 when i update the post it returns to non blurred orginal version http://prntscr.com/8in2zc
What the!? 😀 if anyone can solve please help me…

https://wordpress.org/plugins/image-effects-generator/