gnome经典渐变壁纸，，喜欢拿走，，每次分享东西给大家我都会想起，一个土包不知道哪里人士，我分享的明明两种图标，不要算了张嘴问我晕不，，他爷爷的要是生活中不是在这网络中我非干了他，，好久想起来不愿意发分享，后来自己想通了一块臭肉，不能影响所有真诚热爱ubuntu得人，，下载这壁纸自己写一个xml文件，设置2秒钟变换，特美妙，不信自己试试，，
ps:闲的蛋疼写了xml文件代码贴出来，上传附件你可以下载我的也可以自己写，因为我的壁纸是13张后边的代码沿用了几张原有的，
效果如图:下面是我写的xml文件，
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE wallpapers SYSTEM "gnome-wp-list.dtd">
<wallpapers>
<wallpaper deleted="false">
<name>Ubuntu 13.10 Community Wallpapers</name>
<filename>/usr/share/backgrounds/contest/saucy.xml</filename>
<options>zoom</options>
</wallpaper>
<wallpaper>
<name>Foot_Mesh</name>
<name xml:lang="zh_CN">Foot_Mesh</name>
<filename>/usr/share/backgrounds/Foot_Mesh.svg</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh1</name>
<name xml:lang="zh_CN">Mesh1</name>
<filename>/usr/share/backgrounds/Mesh1.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh1_nologo</name>
<name xml:lang="zh_CN">Mesh1_nologo</name>
<filename>/usr/share/backgrounds/Mesh1_nologo.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh2</name>
<name xml:lang="zh_CN">Mesh2</name>
<filename>/usr/share/backgrounds/Mesh2.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh2_nologo</name>
<name xml:lang="zh_CN">Mesh2_nologo</name>
<filename>/usr/share/backgrounds/Mesh2_nologo.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh3</name>
<name xml:lang="zh_CN">Mesh3</name>
<filename>/usr/share/backgrounds/Mesh3.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh3_nologo</name>
<name xml:lang="zh_CN">Mesh3_nologo</name>
<filename>/usr/share/backgrounds/Mesh3_nologo.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh4</name>
<name xml:lang="zh_CN">Mesh4</name>
<filename>/usr/share/backgrounds/Mesh4.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh4_nologo</name>
<name xml:lang="zh_CN">Mesh4_nologo</name>
<filename>/usr/share/backgrounds/Mesh4_nologo.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh5</name>
<name xml:lang="sl">Mesh5</name>
<name xml:lang="zh_CN">Mesh5</name>
<filename>/usr/share/backgrounds/Mesh5.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh5_nologo</name>
<name xml:lang="zh_CN">Mesh5_nologo</name>
<filename>/usr/share/backgrounds/Mesh5_nologo.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh6</name>
<name xml:lang="zh_CN">Mesh6</name>
<filename>/usr/share/backgrounds/Mesh6.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Mesh6_nologo</name>
<name xml:lang="zh_CN">Mesh6_nologo</name>
<filename>/usr/share/backgrounds/Mesh6_nologo.png</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>The City of Polen</name>
<name xml:lang="zh_CN">花粉之城</name>
<filename>/usr/share/backgrounds/The_City_of_Polen_by_MilanVankovski.jpg</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>THE 'OUT' STANDING</name>
<name xml:lang="zh_CN">“孤独”的屹立</name>
<filename>/usr/share/backgrounds/THE_'OUT'_STANDING_by_ydristi.jpg</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Thingvellir</name>
<name xml:lang="zh_CN">辛格韦德利公园</name>
<filename>/usr/share/backgrounds/Thingvellir_by_pattersa.jpg</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Untitled</name>
<name xml:lang="sl">Neimenovano</name>
<name xml:lang="zh_CN">无题</name>
<filename>/usr/share/backgrounds/Untitled_by_Garazi_Unzueta.jpg</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
<wallpaper>
<name>Water Lily</name>
<name xml:lang="sl">Vodna lilija</name>
<name xml:lang="zh_CN">睡莲</name>
<filename>/usr/share/backgrounds/Water_Lily_by_Denis_Dugushkin.jpg</filename>
<options>zoom</options>
<pcolor>#000000</pcolor>
<scolor>#000000</scolor>
<shade_type>solid</shade_type>
</wallpaper>
</wallpapers>
这是运行这些壁纸切换的文件:
<background>
<starttime>
<year>2013</year>
<month>11</month>
<day>30</day>
<hour>16</hour>
<minute>53</minute>
<second>2</second>
</starttime>
<!--This animation will start at the time it created-->
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh3_nologo.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh3_nologo.png</from>
<to>/usr/share/backgrounds/Mesh5_nologo.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh5_nologo.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh5_nologo.png</from>
<to>/usr/share/backgrounds/Mesh3.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh3.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh3.png</from>
<to>/usr/share/backgrounds/Mesh1.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh1.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh1.png</from>
<to>/usr/share/backgrounds/Mesh2.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh2.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh2.png</from>
<to>/usr/share/backgrounds/Mesh6.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh6.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh6.png</from>
<to>/usr/share/backgrounds/Mesh4.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh4.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh4.png</from>
<to>/usr/share/backgrounds/Mesh2_nologo.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh2_nologo.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh2_nologo.png</from>
<to>/usr/share/backgrounds/Mesh1_nologo.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh1_nologo.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh1_nologo.png</from>
<to>/usr/share/backgrounds/Mesh6_nologo.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh6_nologo.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh6_nologo.png</from>
<to>/usr/share/backgrounds/Mesh4_nologo.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh4_nologo.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh4_nologo.png</from>
<to>/usr/share/backgrounds/Mesh5.png</to>
</transition>
<static>
<duration>550.0</duration>
<file>/usr/share/backgrounds/Mesh5.png</file>
</static>
<transition>
<duration>5.0</duration>
<from>/usr/share/backgrounds/Mesh5.png</from>
<to>/usr/share/backgrounds/Mesh3_nologo.png</to>
</transition>
</background>
这里是下载壁纸，和设置默认壁纸，以及运行这些图片自行切换的xml文件，
1:运行动画的xml文件解压到
/usr/share/backgrounds/contest/
2:壁纸解压到
/usr/share/backgrounds/
3:xml文件下载解压到:
/usr/share/gnome-background-properties
4:xml附件
5:壁纸下载
wget -O 小马哥好.zip http://fc03.deviantart.net/fs71/f/2013/326/0/b/gnome_mesh_by_0rax0-d6uyb2p.zip