Image alignment within a WordPress post: WordPress 2.5 introduced floating image alignment within text on a post. This feature does not work on certain themes. Thanks to Jason for asking the question and to Sadish for the solution. Final thought: it would also be nice if a few gallery formatting options were available through the default interface instead of having to modify the shortcode and/or introduce hacks.
WordPress Search as a custom Google Search without addition page or post: Add a custom Google Search to your WordPress blog (and make search advertising dollars?) without too much of a hassle. Complete instructions and examples are included in the post.
Create a Flash Arcade site using WordPress: This set of instructions will help you convert a simple WordPress blog into a Flash arcade site. Pretty cool with detailed instructions on the transition.