Widget on front page

Hi there,

Is there any way to place a text widget on the left INSIDE THE PICTURE of my Jumbotron start page? Since this will become a Photo site, the idea is to prominetly show clickable links to the different Photo Galleries (for the Moment there is only one named Moselle River but there will be more than 20 later on).

Here is the page:

Thank you very much for any suggestions.