oh sure man -- you can totally do it by hand! Take a look at this other thread where I just did it and posted the JAD "source":
http://www.blackberryforums.com/gene...tml#post615039
You can just save that minimal snippet and replace the values, it's that simple -- everything except the physical filesize of the COD (or JAR) is inside the ALX file. For the filesize entry, make sure you use the "bytes on disk" property in Windows (ls -l in linux/mac).