How do you do this superimposed effect on iMovie?

Im making a movie, and i need the sound effect of paparazzis if you know what i mean. Like camera's taking photos. Does anyon...

how can I have this effect done without using any special lenses.

how can I get this effect in the picture without making the edges of diferent colour to obvious?

Can you use imovie on a non apple computer? If no then is there something similar to imovie I can use besides windows movie...

What Websites Have Visual Effects For Green Screens I Got A Green Screen I Just Need Site To Edit Video Maybe Like Effects Li...

I made a commercial in imovie but I tried to save it and when I opened the program another day, the project was gone and I ca...

Does any one know of any really cool sound efffects I could text some one? Me and my friend are having a contest and I'm out ...

where can you get cool webcam effects? do you know any websites? that are safe and doesn't give you virusees?

I want to edit picture image to a very nice effect,can some1 help me??

There's this thing on Picnik that lets you make your own effects, but I don't know where abouts on my computer to save it. Do...