if they are single state PNG icons
rename the .info to .png and load it in an image manipulation app and save it as iff 64 colors.
Load them with IconEdit and save it
If they are dual state (actually they are 2 png images merged together) then use
http://aminet.net/package/util/wb/image2icon.
I wish there was a better more straightforward way, much like
http://os4depot.net/index.php?functi...icon2amiga.lha , but unluckily for OS4