
It's fun, ain't it? Well I made a DMI unpacker, which takes a DMI file and unpacks it into its component images.
So instead the process looks like this:

If nothing else, this should at least make updating your wikis and websites easier, since extracting icons is a pain.
Source and instructions provided on Github DMI2PNG.
Unfortunately I had to share this under GPL, I'd've preferred MIT, but I'm using some MediaWiki stuff, which forces me into GPL.