Digital photo frames are great, but when you're using one to display a slideshow, it tends to look terrible when it displays photos in the opposite orientation of how you have it set up. Over on Hackaday, Tim made a frame that automatically rotates to show the best picture.

We already know that the Raspberry Pi makes a great photo frame, but DIYer Paul Stamatiou took it another step and integrated in Google Photos.

When you're on holidays with your friends or family, the last thing you want to do is lug around a DSLR. But that doesn't mean you should be uploading pics directly from your smartphone. This infographic provides a range of editing tips for travellers who really want to make their photos pop.

If you're trying to develop your photography skills in 2011, then a 365-day project -- a daily photograph around a given theme or style -- can be a good way to do it. Lifehacker reader Daniel advises that while it can help to have a focus, you don't need to be standing on top of the Sydney Harbour Bridge to get a great photo.

Windows/Mac/Linux (Adobe AIR): Free Adobe AIR application Bulkr downloads all the photos from a user's Flickr stream, a search result or even backs up your own Flickr photos using the highest quality version available.

We've featured one way to view the Exif data of any photo in your browser, but if you don't have Firefox, free web service FindExif will extract it from any photo URL and put it into an easy-to-understand format.

newVideoPlayer( {"type":"video","player":"http://www.youtube.com/v/U8irAeasYWw&hl=en&fs=1&fmt=22","customParams": ,"width":570,"height":412,"ratio":0.824,"flashData":"","embedName":null,"objectId":null,"noEmbed":false,"source":"youtube","wrap":true} );

If you've longed to organise your pictures as though sliding and grouping them on a desk, Viewer2 is a novel take on picture organisation that feels more like real-world sorting and shuffling and less like computer-based cataloguing.

You've taken digital pictures for years across multiple systems and camera upgrades, and now your collection is a mess. These free tools and techniques will fix your photos' metadata, weed out duplicates, reorganise folders and otherwise whip your digital photos into shape.

Windows only: Adebis Photo Sorter digs through all of your messy photos from aeons ago, sorting them by date, groups and type. Because sorting through 16GB worth of photos is everybody's idea of fun.

If you want to make a slideshow of photos and music but you don't have the know-how or time to use an advanced video editor, Flixtime is a web-based solution that will have you cranking out slideshows in minutes.

If you like taking and sharing panoramic photos — or just enjoy checking out the impressive results others have gotten — GigaPan indexes high resolution, panoramic photos.

Scottish photojournalist Harry Benson, who's captured some amazing frames of The Beatles, world leaders and world events, gives the New York Times his best tip for shooting at night or in low natural light.

Windows/Mac/Linux: If you're looking for a quick way to download a photo album from Picasa without installing the desktop application, Picasa Album Downloader does just that — and you don't even need to register at the Picasa website.

More and more you'll find yourself not being the only photographer at an event. Divvyshot offers a simple way to not only share your own pictures, but to create open albums others can contribute their event photos to.

Windows/Mac/Linux (AIR): It's always fun to throw a party and let your guests get goofy with a camera. Free photo app Party Booth creates photo-booth-style picture strips from a webcam, and can automatically upload them to Facebook, Twitter or other services.

If you take a lot of photos and share them online, then Google's offer of cheap additional storage space can seem tempting. While Google's plans are pretty good value, there is one hidden limitation you should be aware of when using Picasa's web albums feature.

You'll find no shortage of browser add-ons for the popular photo-sharing service Flickr, many of them focused on making the site more immersive. You can browse images in full screen with a simple hack however, no add-on necessary.

Why do you almost never send handwritten letters to loved ones? The effort — locating pen and paper, writing, addressing and stamping — can seem colossal on any given, always busy, day. But keeping in touch is easier than you (and they) may think.

Mac OS X: If you've ever used two cameras or tried to sync up the photos from your camera and that of a friend, you know what a frustrating experience it can be. ShootShifter makes merging batches of photos painless.