you can just use the setup.exe/ico from what conversion your doing.
How to use CIU with DiskSpan?
Use the Compiled Setup.exe+ Setup.ico + Records.ini (probably you must changed archive name inside Records.ini) alongside with diskspan compressor (use the one from Razor12911 or UCC from VollachR). Which you can get from this topic
http://www.fileforums.com/showthread.php?t=99227 ( archive first post ) & just extract the folder _Tools, then you'll have diskspan you can use from any conversion posted here, just read the Help.txt for further info.