First of all, Photoshop is commercial software and costs money. "Thou shall not steal" - Исход 20:15
What I mean, is you should not redistribute commercial software especially on a Christian website. Let's keep it pure and without any pirated software. This shouldn't be the place for this kind of stuff.
Here is the link where you can buy not only CS4, but CS5: http://www.adobe.com/products/photoshop/photoshop/whatisphotoshop/