code:
<SkinInfo>
<Information>
<Name>Aqua</Name>
<Description>skin 2009 Verloren.Angel</Description>
<Compatibility>
<MsgVersion Major="14" Minor="0"/>
</Compatibility>
</Information>
<MessengerSkin>
<ResGroup>
<Restrictions>
<MsgVersions>
<Version Major="14" Minor="0" />
</MsgVersions>
</Restrictions>
<Resources>
<Replace>
<Windows>
<Definitions>
<Definition Id="920">
<File>Definitions\msgres_def_920.txt</File>
</Definition>
<Definition Id="921">
<File>Definitions\msgres_def_921.txt</File>
</Definition>
<Definition Id="923">
<File>Definitions\msgres_def_923.txt</File>
</Definition>
<Definition Id="947">
<File>Definitions\msgres_def_947.txt</File>
</Definition>
<Definition Id="1001"> <File>Definitions\msgres_def_1001.txt</File>
</Definition>
<Definition Id="1002"> <File>Definitions\msgres_def_1002.txt</File>
</Definition>
</Definitions>
<Styles>
<Style Id="920">
<File>Styles\msgres_style_920.txt</File>
</Style>
<Style Id="921">
<File>Styles\msgres_style_921.txt</File>
</Style>
<Style Id="923">
<File>Styles\msgres_style_923.txt</File> </Style>
<Style Id="947">
<File>Styles\msgres_style_947.txt</File>
</Style>
<Style Id="1001">
<File>Styles\msgres_style_1001.txt</File>
</Style>
<Style Id="1002"> <File>Styles\msgres_style_1002.txt</File>
</Style>
</Styles>
</Windows>
<Strings>
</Strings>
<Graphics>
<Pictures>
<Picture Id="4300">
<File>aqua1.png</File>
<Metadata>
<Colorize>false</Colorize>
<UMLeft>1</UMLeft>
<UMTop>1</UMTop>
<UMRight>1</UMRight>
<UMBottom>1</UMBottom>
</Metadata>
</Picture>
</Pictures>
</Graphics>
</Replace>
</Resources>
</ResGroup>
</MessengerSkin>
</SkinInfo>
I think the definitions and styles (1001,1002) are needed, to perform skin, but would be good replace definitions y styles main also