Nice tutorial that will show you how to change color of an object in the picture without have to re-create or modify the object. This technic works for all objects in your pictures.
This tutorials explains to you how to create rendered pixel that looks like old computer screen. However, I use this rendered pixel to create a signature.
This tutorial shows you how to use Photoshop to create GIF animation. The details includes how to create the elements and how to create the GIF animation.
This tutorial shows how to add snow effect that can be applied to all cartoon pictures. In this sample, I am using a cartoon tree picture, but you can use all cartoon-like pictures.