How to make an animated GIF?

[Arn0]

Hi everyone,

I guest that the right place but not sure!

I looking for some advice to realize an animated gif! I guest Jimmy can answer straight away but I put it here, on the open field, for more possible explanations.

So what I need to realize such thing? I have the .gif pics, I run photoshop and his teammate (can't remember the exact name; image something)
I am successful to have a "document" with various pictures but how I can get them animated.

An animated gif is that:


Thanks for all informations you can provide