I've tried lepton and packJPG (on which lepton is based) for my personal collection and found packJPG to be faster, give better compression and a lot simpler to

I've tried lepton and packJPG (on which lepton is based) for my personal collection and found packJPG to be faster, give better compression and a lot simpler to compile and install. Only problem was that it did occasionally fail to compress an image.