Woah, tons of replies, I will try and hit them all:
@SonicSam: That sounds like a good idea. I will try and do this, thank you
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@Basilis: Didn't even think of the trace file >.<! I'll give that a look
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@Volv: It does look how I want it to look. I have however, patched away the adverts, and do want to release it. Thats really the only reason I am going through the trouble of making it again WITH the adverts.
@djdannyp: I have tried my skin on the SAME messenger version on the same operating system without patches (mess patch in this case) and it didn't work, like you said.
@NanaFreak: That would make sense. I am extracting resources from edited resources (no different than a skin I thought?) but it doesn't seem to work for some reason :\.
@Basilis: I have gotten rid of the ads, but otherwise, yeah I know
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So thank you all for your tips, and I will try to compare my files with brand new ones ^_^.