Can I zoom in for a certain time in the animation while keeping the rest of the animation normal, like before the zoom in? If I can, how?

This might sound odd but how can you make a good explosion? I can't!
Another thing, I am making a stick figure fighting a computer mouse can I post that or is it not right for here even though I made it with Anime Studio?

Thanks that is very helpful

This might seem like a newbie question but I am going through these forums seeing mazing looking characters and amazing characters in animation. The characters featurs don't move around their bodies like mine do. How can I make a characters features stay in one place on their body while walking arou...