add pics like on mlkshk.com

The new site for cellecting pictures mlkshk.com is cool, and the coolest thing is the way you can add stuff.
With an simple browser plugin, you can add pictures to you r lik list in just an few simple steps.

But… it that also possible with WordPress?
I run an site with my own inspirational stuff on acffca.net, and love to use something like this.

Of another way to add supereasy pictures as featured pictures.