We keep tweaking the software to try to improve the results. Although it's far from perfect, the latest version has removed a lot of the more serious problems. You can always switch to the latest version by clicking on the highest version number under your image (only appears when you're logged on and looking at your own photo/album).
If you're pleased with your web preview, why not try our lenticular prints - they are quite amazing objects to hold in your hands.
We are experimenting with the much-requested larger image sizes. What do you think of this?