If you're looking for a simpler and faster way to integrate Flickr into your blog or website, flickrSLiDR is the best choice, with super cool effects.
All you need to do is input the URL of the Flickr album, username, or group you want to display. Of course, you can also customize options such as tags, display width and height, and whether to enable previews, etc. Finally, it will generate a piece of code that you just need to copy to your blog.