So, basically, you can probably cut a DW style up until you can use it on LJ. But it won't be obvious or trivial, I think--we've made changes to the core that LJ hasn't.
All of the open source themes (and the layouts that are open source too), which is most of them, are here:
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Date: 2011-06-09 08:37 pm (UTC)All of the open source themes (and the layouts that are open source too), which is most of them, are here:
http://styles.memewidth.org/themes/?layoutfilter=dw-free&themefilter=dw-free
And, well, to be honest people on DW import non-free layouts from LJ a bunch, so turn about is fair play in my opinion.
Alternatively, do you want to describe what you're looking for in an LJ layout? Maybe there is a good alternative there already.