This app, provided with any HP Deskjet 5550 (sold in France, at least) will work fine. The only "little" trick, is that it won't recognize factory "album models"(.htm)! Just had to open them one after the other, and save them as album (.albm files). But anyway, my wife's happy ! she can print these heavy mixtures of like 18 differently shaped photos on one A4 sheet.
This version has no test results, please consider submitting some. They may be part of the version or application description. If they are, please consider becoming a maintainer and remove them, submitting a proper test report instead.