QQ空间4.0版本可用的背景代码：
新增的QQ空间代码用法：打开您的QQ空间，登陆你自己账号，自定义进入QQ空间自定义设置，然后在浏览器地址栏，输入以下的一行代码，注意要完全复制哦带上各种标点。然后点击“转到”，或直接按回车键。那么QQ空间上就会添加相应的组件了，这个时候，保存QQ空间方案，那么免费QQ空间背景就到手了。

名称 代码 
红紫色块 javascript:window.top.space_addItem(1,2464,0,80,0,0,90);  
灰砖墙 javascript:window.top.space_addItem(1,2468,0,80,0,0,90);  
蓝紫色 javascript:window.top.space_addItem(1,2942,0,80,0,0,90);  
粉红心 javascript:window.top.space_addItem(1,6556,0,80,0,0,90);  
淡蓝色气泡 javascript:window.top.space_addItem(1,1626,0,80,0,0,90);  
淡粉带蓝色小花 javascript:window.top.space_addItem(1,1920,0,80,0,0,90);  
胆黄色块 javascript:window.top.space_addItem(1,2160,0,80,0,0,90);  
淡粉色块 javascript:window.top.space_addItem(1,2364,0,80,0,0,90);  
木纹带向日葵 javascript:window.top.space_addItem(1,2469,0,80,0,0,90);  
兰色小冰块 javascript:window.top.space_addItem(1,4831,0,80,0,0,90);  
粉心 javascript:window.top.space_addItem(1,4829,0,80,0,0,90);  
大红色块 javascript:window.top.space_addItem(1,4830,0,80,0,0,90);  
冰块 javascript:window.top.space_addItem(1,4827,0,80,0,0,90);  
红白信封 javascript:window.top.space_addItem(1,5144,0,80,0,0,90);  
拼图和海星 javascript:window.top.space_addItem(1,5140,0,80,0,0,90); 
粉红的牵牛花 javascript:window.top.space_addItem(1,5754,0,80,0,0,90);  
兰色蝴蝶蓝带闪心 javascript:window.top.space_addItem(1,5869,0,80,0,0,90);  
HAPPY javascript:window.top.space_addItem(1,6275,0,80,0,0,90);  
黑白钢琴键 javascript:window.top.space_addItem(1,8031,0,80,0,0,90);  
灰紫卷曲花边 javascript:window.top.space_addItem(1,16628,0,80,0,0,90);  
粉红方框淡黄色系 javascript:window.top.space_addItem(1,1036,0,80,0,0,90);  
淡蓝方块和云朵 javascript:window.top.space_addItem(1,1522,0,80,0,0,90);  
紫色方框带蝴蝶结 javascript:window.top.space_addItem(1,1110,0,80,0,0,90);  
红色方框带太阳花 javascript:window.top.space_addItem(1,1919,0,80,0,0,90);  
灰蓝方框 javascript:window.top.space_addItem(1,1032,0,80,0,0,90);  
绿色方框带蝴蝶 javascript:window.top.space_addItem(1,1772,0,80,0,0,90);  
粉红方格HAPPY DAY  javascript:window.top.space_addItem(1,4327,0,80,0,0,90);  
红心紫心绿心黄心蓝心 javascript:window.top.space_addItem(1,4319,0,80,0,0,90);  
I LOVE YOU  javascript:window.top.space_addItem(1,4311,0,80,0,0,90); 
粉红LOVE ME  javascript:window.top.space_addItem(1,5628,0,80,0,0,90);  
兰色蝴蝶 javascript:window.top.space_addItem(1,5867,0,80,0,0,90);  
黑色城堡  javascript:window.top.space_addItem(1,8977,0,80,0,0,90);  
木色 黑猫 javascript:window.top.space_addItem(1,1030,0,80,0,0,90);  
绿色方块 javascript:window.top.space_addItem(1,1029,0,80,0,0,90);  
淡兰色 javascript:window.top.space_addItem(1,4040,0,80,0,0,90);  
淡黄 javascript:window.top.space_addItem(1,4082,0,80,0,0,90);  
黑心 javascript:window.top.space_addItem(1,4080,0,80,0,0,90);  
粉红色翅膀 javascript:window.top.space_addItem(1,4463,0,80,0,0,90);  
淡黄色星星和心 javascript:window.top.space_addItem(1,4983,0,80,0,0,90);