Hope you all are doing well!
I have launched new version 1.6 with some new features, So go here http://wordpress.org/plugins/custom-share-buttons-with-floating-sidebar/ for download the new version.
Change Log 1.6
- Added new option for disable floating sidebar for mobile site
- Added two new Stumbleupon and Reddit buttons
- Added options for define Pinterest Share images
- Fixed show/hide button issue
Please do not forget to leave your feedback about my plugin on wordpress site!