CoverChooser is a small application, that searches albumart at the internet and downloads your choosen file. At the first run of CoverChooser, it will be automatically integrated into your Nautilus-scripts.
This is a widget panel. To remove this text, login to your WordPress admin panel and go to Appearance >> Widgets, and drag & drop a widget into this widget panel. If you want to leave this area blank, simply put a blank Text widget into this widget panel which will overwrite this text.