@dogs thank you
@kadmy , sure: upload the file controls.png from the plugin folder \node_modules\bxslider\dist into NodeBB assets. The file looks like the bitmap below.
Then change the LESS to
This file contains the standard bxSlider. But you can use any other icon. Just upload it or point to the url of your preference.
Please update to v0.1.2 for more fixes.