EDITED to add: harrumph, it appears that LW undocumentedly implements an extension to Markdown where a bare URL is turned into a link, and I haven’t found any way to stop the linkifying without also changing what is displayed. So you might notice that the colon above is italicized, which is a really crappy workaround. Maybe there’s a better one.
The rparen in your Ozymandias link needs escaping: [this guy](http://en.wikipedia.org/wiki/Ozymandias(comics\)) --> [this guy](http://en.wikipedia.org/wiki/Ozymandias(comics)). (I estimate p=0.5 of my not having screwed up the markup myself, but I’ll fix it if I have.)
EDITED to add: harrumph, it appears that LW undocumentedly implements an extension to Markdown where a bare URL is turned into a link, and I haven’t found any way to stop the linkifying without also changing what is displayed. So you might notice that the colon above is italicized, which is a really crappy workaround. Maybe there’s a better one.
If you wrap text in a pair of back ticks (`) then it gets displayed as “code” so left unmodified by the markdown parser.
(E.g.
[this guy](http://en.wikipedia.org/wiki/Ozymandias_(comics\)))fixed, thanks.