[Discover] Creating presentations/slideshows with HTML & CSS - Opera Developer Community http://dev.opera.com/articles/view/html-css-slideshows/
(xhtml presentation css slideshow) 
[Discover] Layout Gala: a collection of 40 CSS layouts based on the same markup and ready for download! http://blog.html.it/layoutgala/ (css webdesign layout templates)
[Discover] Html Validator for Firefox and Mozilla http://users.skynet.be/mgueury/mozilla/ (firefox extension html validator)
[Discover] Cre8pc on Usability & Holistic SEO An Absolute Goldmine of Web Design Education " http://cre8pc.com/blog/archives/196 (tutorial javascript php xhtml)
[Discover] Grid System http://960.gs/ (css webdesign framework tools)
[Discover] Vertically and Horizontally Centering a DIV http://www.infinitywebdesign.com/research/cssverticalcentereddiv.htm (css layout design div)
[Discover] One Way to Design a Web Site @ The Autistic Cuckoo http://www.autisticcuckoo.net/archive.php?id=2004/11/29/one-way-to-design (xhtml css proceso design)
[Discover] Example Style Guide - silverorange http://labs.silverorange.com/local/solabs/include/styleguide/ (content xhtml xml standards)
[Discover] Typograph â€" Scale & Rhythm http://lamb.cc/typograph/ (layout tools typography type)
[Discover] Layout Gala: a collection of 40 CSS layouts based on the same markup and ready for download! http://blog.html.it/layoutgala/ (css webdesign layout templates)
[Discover] Html Validator for Firefox and Mozilla http://users.skynet.be/mgueury/mozilla/ (firefox extension html validator)
[Discover] Cre8pc on Usability & Holistic SEO An Absolute Goldmine of Web Design Education " http://cre8pc.com/blog/archives/196 (tutorial javascript php xhtml)
[Discover] Grid System http://960.gs/ (css webdesign framework tools)
[Discover] Vertically and Horizontally Centering a DIV http://www.infinitywebdesign.com/research/cssverticalcentereddiv.htm (css layout design div)
[Discover] One Way to Design a Web Site @ The Autistic Cuckoo http://www.autisticcuckoo.net/archive.php?id=2004/11/29/one-way-to-design (xhtml css proceso design)
[Discover] Example Style Guide - silverorange http://labs.silverorange.com/local/solabs/include/styleguide/ (content xhtml xml standards)
[Discover] Typograph â€" Scale & Rhythm http://lamb.cc/typograph/ (layout tools typography type)