# Animated movie clip in mask tutorial
**URL:** https://forum.kirupa.com/t/animated-movie-clip-in-mask-tutorial/3490
**Category:** Uncategorized
**Created:** [February 4, 2002, 10:42am UTC](https://forum.kirupa.com/t/animated-movie-clip-in-mask-tutorial/3490 "2002-02-04T10:42:32Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@system](https://forum.kirupa.com/u/system)
#### Post date: [February 4, 2002, 10:42am UTC](https://forum.kirupa.com/t/animated-movie-clip-in-mask-tutorial/3490/1 "2002-02-04T10:42:32Z")
in a kirupa tutorial on how to make a mask, i get the mask effect but that tut doesnt explain how to make the animated movie clip that “flashes” behind. How do we do it?
thanks
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### Author:  [@system](https://forum.kirupa.com/u/system)
#### Post date: [February 4, 2002, 11:39am UTC](https://forum.kirupa.com/t/animated-movie-clip-in-mask-tutorial/3490/2 "2002-02-04T11:39:19Z")
Which one are you talking about ?
pom 0]
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### Author:  [@system](https://forum.kirupa.com/u/system)
#### Post date: [February 4, 2002, 5:38pm UTC](https://forum.kirupa.com/t/animated-movie-clip-in-mask-tutorial/3490/3 "2002-02-04T17:38:49Z")
the tutorial is this one: [http://www.kirupa.com/developer/flash5/masking.asp](http://www.kirupa.com/developer/flash5/masking.asp)
i can make a motion tweening to mask, but it occupies several frames, while in kirupa tutorial has only one frame…