这个地方有许多http://www.helpwork.com/ocx/html/user/ocxnevig.asp?BID=207
你要的这个东西用以下链接（经测试，可下载）：
http://www.helpwork.com/ocx/html/user/download.asp?id=405
摘要：GraphicEx.pas文件使得TImage支持30多种图象格式，
有TIFF images(*.tif;
*.tiff),//〈〈〈〈〈
SGI images(*.bw, *.rgb, *.rgba, *.sgi),
ZSoft Paintbrush images(*.pcx, *.pcc),
Kodak Photo-CD images(*.pcd),
CompuServe images(*.gif),//〈〈〈〈〈〈〈〈〈〈
Photoshop images(*.psd, *.pdd),
Paintshop Pro images (*.psp),
Portable network graphic images (*.png),
bitmap images(*.bmp, *.rle, *.dib),
Portable pixel/gray map images(*.ppm, *.pgm, *.pbm)等等。
