Clearleft's Paul Annet talks about simple, clever little tricks that can make web pages pleasing. This is a slideshow with audio. No accompanying video, but if you jump to the end, you'll find links for the videos shown during the talk. More at Paul Annet's site.
http://www.slideshare.net/nicepaul/oooh-thats-clever-unnatural-experiments-in-web-design