Step 1: Animation –> Select all frames. Layer –> Select similar layer (right click at any of the layer)
Step 2: Click the button (the below button right side). Then, Filter –> Convert for smart filter. Try to play the animation
Step 3: Sharpen the image (optional) Filter –> Sharpen –> Smart sharpen/sharpen edges (any option, you can try & preview it first)
Now we going to add basic coloring to the gifs. If you have a PSD pack, you can immediately drag the layer at the layer pallatte.
Step 4: Click new fill or adjustment button to adjust brightness/contrast.
Step 5: Add any adjustment you want. I have add brightness/contrast, curves, levels, selective color, vibrance. I also add some texture. It is up to you okay.
After you done, you can save. File –> Save for Web & Devices. Well, Good luck!! Here my puppysaurus rawr!