# How to do this....so cool

**URL:** <https://forum.kirupa.com/t/how-to-do-this-so-cool/282406>\
**Category:** Uncategorized\
**Created:** [February 21, 2009, 3:22pm UTC](https://forum.kirupa.com/t/how-to-do-this-so-cool/282406 "2009-02-21T15:22:18Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![J\_Kanov](https://avatars.discourse-cdn.com/v4/letter/j/7feea3/32.png) [@J\_Kanov](https://forum.kirupa.com/u/J_Kanov)\
**Post date:** [February 21, 2009, 3:22pm UTC](https://forum.kirupa.com/t/how-to-do-this-so-cool/282406/1 "2009-02-21T15:22:18Z")

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Maybe it’s an old trick but i really like this effect:  
[www.margecasey.com](http://www.margecasey.com/)  
How did they do it? A friend of mine said that is done with slidehowpro…is it possible?  
It looks too smooth for a program like that, looks like dynamic masking and xml…  
Do you guys have any idea or tutorial that i can study to do this really nice effect?  
Thansk so much  
J