Free, only high quality, resources for website building & other design projects. Free images, free icons, free templates.
W3C's easy-to-use markup validation service, based on SGML and XML parsers.
http://graphicdesignjunction.com/
收录着大量免费图片，号称超过三亿张！关键是它可以通过颜色来查找图片，无须注册、登入，即可在线下载图片。
