sorry, but the most of the issues is no a problem with of the theme.
You’ve uploaded a png file, thats why the browser dont display the favicon. Please use a .ico file
You’ve not added a valid URL, thats why the link to the page doesnt work. Please start a url always with http://…
The widget is made with a plugin, so we cant help you, you have to contact the plugin authot.
We’ve fixed this problem, you can download the recent version 10.02, there is the spelling error fixed. In this version we’ve removed also the arrows in the single portfolio if there is only one image.