After installing this plugin you have access to two elements:
Go to Settings->General of your app and expose the option to add id attributes to html elements
Drag the "Filter" element onto your page.
Add an image to your page and enter an ID attribute in the element inspector of your image
Trigger a filter effect within one of your workflows. You can choose one of the 7 filters and specify the strength of the effect. Enter the same element id that you used for the image you want to target in step 3.
Image with Filter
Drag the "Image with Filter" element onto your page. Upload an image or choose a dynamic image that should be used. Resize your element according to your requirements.
Choose which filter should be applied using the dropdown in the element inspector.
Specify the strength of the effect for the filter you choose. The values in the other field will be ignored.