I forgot to mention one WordPress plugin I enjoy using in my previous post, because I wasn’t sure if it was still being maintained. Turns out the maintainer, Joe Tan, just did a release today, bringing it up to speed with WordPress 2.6…
Flickr Photo Album makes it easy to use Flickr images in your blog, and the latest version integrates really nicely with the new “add media” user experience in WordPress 2.6 — it adds a Flickr icon to the toolbar, and pops up a great user interface for finding images to use (from your stream, from albums, from search results against those and all CC-BY images, etc).
Now for some celebratory Flickr-inspired imagery as tribute… 
Balloons by orphanjones
Update: Boh, looks like the caption shortcode is not working. That’s Balloons by orphanjones (linked), and hopefully the caption will make this comment redundant soon.