我要怎样把我的QQ空间的皮肤换了，而且怎么换，我要免费的皮肤怎么找，麻烦你把步骤写详细告诉我。

最新4.0空间免费皮肤代码： 用法:自定义.在地址栏里输入你要用的代码,回车,保存!
那年的歌
幸福的故事
如此的
夜光: javascript:window.top.space_addItem(1,7510,0,0,0,0,93);
最美的花:javascript:window.top.space_addItem(1,7513,0,0,0,0,93);
粉红花瓣:javascript:window.top.space_addItem(1,4693,0,0,0,0,93);
QQ之声:javascript:window.top.space_addItem(1,15306,0,0,1,1,94);
QQ三国:javascript:window.top.space_addItem(1,15166,0,80,0,0,94);
纯黑:javascript:window.top.space_addItem(1,13046,0,80,0,0,93);(黄钻)
纯蓝:javascript:window.top.space_addItem(1,1,0,0,0,0,93);
纯白:javascript:window.top.space_addItem(1,5669,0,80,0,0,93);
纯橙:javascript:window.top.space_addItem(1,15306,0,0,0,0,93);
植物皮肤:javascript:window.top.space_addItem(1,6553,0,80,0,0,90); (例)

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javascript:window.top.space_addItem(1,2875,0,80,0,0,90); 红色和粉红系
javascript:window.top.space_addItem(1,16309,0,80,0,