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://imgbuyun.weixiu-service.com/up79/202309/tsmxg00phrv.swf 蜻蜓
http://imgbuyun.weixiu-service.com/up79/202309/ein5vqnyubm.swf 从上飘落的鲜花和红心
http://imgbuyun.weixiu-service.com/up79/202309/itymkw4pcy5.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://imgbuyun.weixiu-service.com/up79/202309/0f1hwoqmfgu.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://imgbuyun.weixiu-service.com/up79/202309/11rg55aynbd.swf 若有若无
http://imgbuyun.weixiu-service.com/up79/202309/smqycjke2ic.swf 飞翔小球
http://imgbuyun.weixiu-service.com/up79/202309/rpu34wbhehg.swf 五彩星星
http://imgbuyun.weixiu-service.com/up79/202309/3d10xfdvwxg.swf 彩色螺旋
http://imgbuyun.weixiu-service.com/up79/202309/qmjqdtcnujs.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
