If you are using Photoshop CS3, installing a script can be tricky. Your manual details the steps, but this How-To video should help you if you get stuck. This is primarily for CS3 users, but you CS4 users can use the same steps to install into CS4 if the Extension Manager method doesn’t work for you.
Here you go, in high def sweetness!
Still having trouble? Post a comment or pop me an email. We’ll get you sorted out.
…Mike