This plugin will help you create simple gallery and insert it to your WordPress page or post.
This plugin will help you inserting gallery to your WordPress page or post. You can see it in action here.
Upload the Easy Gallery plugin to your blog, Activate it.
How to add gallery to post or page:
Click the "Add New" link
Fill the gallery name, type of gallery and images
Copy the shortcode and paste it into your page or post. You can view the demo in http://demo.odihost.com/gallery/.