Options to open link in new window (_blank)

I had the same problem, tried different solutions from Drupalgarden, all very complicated and probably only working when you are in Drupalgarden.

So just by chance I found another module, External Links.

You find the module here

After enabling the module I configered that all external links should open in New window.

Great! ♫ ♪ ♫ ♫ ♪

For anyone who's interested, I wrote a patch to the 7.x-2.x-dev branch that will add support for this. It creates a checkbox on the slide edit form that allows the user to specify whether or not to open the slide in a new window.
The patch adds a field to the database table, so you'll need to run the update.php script to support it.

I can confirm that the patch from #2 works.

It doesn't break the patch from #28 at https://www.drupal.org/node/1066350
And it also works with the patch #2 from https://www.drupal.org/node/1210078

I used and tested it with:
rotating_banner-7.x-2.x-dev https://www.drupal.org/project/rotating_banner/releases/7.x-2.x-dev
media-7.x-2.0-rc3 https://www.drupal.org/project/media/releases/7.x-2.0-rc3

and the following modules enabled:
ctools-7.x-1.12
file_entity-7.x-2.0-beta3
views-7.x-3.14