Wow...so many flashbacks. And yeah, I agree that everything felt like it was going in slow motion. There was absolutely no tension in the episode, stuff just kinda...happened. On the other hand, I saw no problems with the animation. None of it was particularly lazy animation, and the actual fight scenes were pretty fluid. I don't get it. Why are people complaining?
Anyway, as for the content itself: I loved it regardless of pacing. The new Akatsuki guy Deidara is great, creating clay spider-bomb things and ranting about art. And Gaara, finally doing something after spending 2 episodes sitting quietly, shifting his eyes around...
I'm not sure I like how Sakura and Tsunade's strength really isn't physical strength at all. Basically anyone with good enough chakra control can become super strong now. That kinda makes it less amazing in my opinion. I do like how she's improved, however. Both her and Naruto have definitely gotten stronger, and that's promising.
I assumed they were made out of gunpowder until I remembered that guns don't exist in the Naruto universe. Funny that they have this substance with explosive properties, but have never actually used it.Deidara's Art Jutsus seem to be made from that mouth on his hand, and whatever is in the bag. I wonder what the actual properties of those forms are.