JigCard

This web service displays a new online jigsaw puzzle on your website every day. Great for game sites, personal sites and picture galleries. The oddly shaped pieces are different every time you do the puzzle.

Here's a sample implementation:

Daily online Jigsaw Puzzle

You can also make the puzzle display on your own webpage. See a sample implementation of this at Dotty's Virtual Jigsaws,

Well done, but I really didn't want to know all the gory details. Score: 9 of 10. I got 10 out of 10 programmers, but one was a serial killer and a programmer. It takes one to know one - programmers, that is, not killers.

Creative look at the human condition, usually from a dog's point of view.

Helpful well written resources for PHP developers. Includes articles, sample code, blog, forum and more.

With so many websites being hacked, it is extremely important that webmasters and web developers know how to protect their sites. This is an easy to understand article on making php web pages secure. Be sure to read all three parts. Most articles on security require that you already be an expert in the area to understand them. This one is different. Although it does assume that the reader understands some technical terms, the newbie can look up unknown terms in Wikipedia and be able to follow the instructions in this article.

Great ideas for cooking without recipes, adapting recipes and cooking for allergies.

Read science and education books online for free! Browse by topic or search for something specific. More than 3,000 books and 900 PDFs afvailable. The site is maintained by the National Academy of Sciences (US). (Books are also available for purchase.)

Beautiful photographs and helpful photography tutorials.