I've been fascinated recently by the possibilities of GoAnimate, where RoTV has recently released a new video, The Siren's Carnage, an animated graphic novel. Checkout his production page at GoAnimate for his previous work, especially his first Animated comic, The Derelict which can also be seen as a playlist on on the House of L'Stok's YouTube channel.
The other major release from GoAnimate is Ztar Trek:The Next Constipation
by Section31 (on YouTube and GoAnimate), an amazing accomplishment, showing what can be done with the to extend on the generic controls of the standard package. No, that's not a typo - its worth watching, there's nothing worse than PG18 in it and it is quite witty. Checkout her previous series, two seasons of Starmada on her website as well!