Additional JavaScript to display only for certain Image CSS class

hi ,
i am using frizzly plugin for displaying social icons when hover images.
i want display social icons only selected images which have the specific classes.

Like you mention in your plugin feature .
But its not working . display error in console

Uncaught TypeError: Cannot read property 'image_classes' of undefined
    at new ImageFilter (assets\js\client\share\image\show-strategy\image-filter.js:5)
    at ShowOnHoverStrategy.ShowStrategy (assets\js\client\share\image\show-strategy\show-strategy.js:11)
    at new ShowOnHoverStrategy (frizzly.client.js?ver=1.0.1:1010)
    at ImageModule.getStrategy (assets\js\client\share\image\index.js:21)
    at ImageModule.init (assets\js\client\share\image\index.js:15)
    at ShareModule.init (assets\js\client\share\index.js:18)
    at new ShareModule (assets\js\client\share\index.js:13)
    at assets\js\client\index.js:9
    at Object.1../logger (assets\js\client\index.js:5)
    at s (_prelude.js:1)

Thanks
Regards
Gaurav