Did you edit any code? The html version is outputting stuff that we did not add to Imagevue ...
For issues with the Powerpack module, you need to post in the forum for the powerpack module viewforum.php?f=47
This is a 3rd party option, and it could be your database I am not sure ...
i only changed the copyright information in html footer, because on flash page the footer i can edit in backend and the html footer is "imagevuex" footer
Now i have uploaded the current layout.phtml file, and if i go with my samsung galaxy s4 on gallery and then via browser settings go to "show desktop version" then i can see "powered by imagevuex" with backlink
oh i think it works now. i edited layout.phtml again. Maybe i have uploaded a layout.phtml from the other folders which also contains a file named like this