代码：<CENTER><EMBED style="LEFT: 10px; POSITION: absolute; TOP: -70px" align=right src=FLASH的网址 width=700 height=400 type=application/x-shockwave-flash wmode="transparent" quality="high" ;></CENTER>
其中top： width= height=的数值是可以调节的
用鼠标点击地址看背景效果：
http://www.forshine.net/flash/71.swf绿色黄色树叶飘舞
http://www.forshine.net/flash/32.swf黑色背景白色球圈
http://www.flash8.net/upload/2004/2/29/20042291313205540.swf黑色背景七彩闪光星星
http://www.syndanet.com/public/upload/wjl210.swf 蜻蜓
http://www.nanzhou.net/nanzhou/img520/f/sh.swf 从上飘落的鲜花和红心
http://www.postalvirtual.net/card/images/5.swf花环效果
http://www.hmdfc.com/bbs/UpFiles/31.swf 下落光线
http://wujiren.jahee.com/main/img/1.swf 下雨特效
http://wujiren.jahee.com/main/img/2.swf 转盘与星
http://wujiren.jahee.com/main/img/3.swf 光芒四射
http://hlm.nease.net/swf/red/liu.swf柳条飘舞
http://hlm.nease.net/swf/red/cloud.swf淡淡的紫色云飘过
http://display.lizhimi.com/IMAGES/Bird.swf蓝色背景海鸥
http://display.lizhimi.com/IMAGES/Bird.swf浅兰背景鸟飞过
http://lain1978.com/collection/flash/008.swf 小小泡泡
http://lain1978.com/collection/flash/rain.swf 很快的雨
http://file2.flash8.net/2004up/fla/8/3/2004831139337831.swf黑色背景闪光的礼花
http://bbs.flasher123.com/UploadFile/2004-5/200451020535773219.swf白色背景大雁飞过
http://bbs.flasher123.com/UploadFile/2004-5/20045915485951073.swf礼花绽放
http://bbs.flasher123.com/UploadFile/2004-5/20045915493864839.swf 若有若无
http://bbs.flasher123.com/UploadFile/2004-5/20045912375165288.swf 飞翔小球
http://bbs.flasher123.com/UploadFile/2004-5/20045912435828355.swf 五彩星星
http://bbs.flasher123.com/UploadFile/2004-4/200442814445969367.swf 彩色螺旋
http://bbs.flasher123.com/UploadFile/2004-4/200442814451333557.swf 变幻刺球
http://file2.flash8.net/2004up/fla/6/1/200461153578559.swf无色背景粉色的金鱼
http://favorites2003.vicp.net/picture/cl/2.swf玫瑰花
http://mailimg-fs.hanmail.net/fl/effect/19/e-fall2.swf黄色背景飘舞的红叶
http://moonabc.nease.net/index/xchl/0.swf新春快乐
http://oyja.51.net/flash/mhh.swf漂亮的玫瑰花从上飘落
http://juedai.myshow.cn/Path/bbs15/UploadFile/2005-2/2005216233019406.swf桃花
http://hiro003.cool.ne.jp/iptrace_cgi/set/xmas7/fx_rtree1.swf圣诞快乐（MerryChristmas）
http://rycs2004.51.net/images/yeluo.swf无色背景飘落的红叶
http://love.xaonline.com/upload/2004719/UF604426.swf太阳光圈