Dropr is a free service for creating portfolios of your images, videos, and audio files. Within your Dropr account you can have multiple portfolio pages. If you wanted to have a page for images that you took in the fall and a page for images that you took in the spring, you can do that in Dropr.
To create a Dropr portfolio start by signing up with a social media profile or with your email address. Then start your first project by uploading a cover image. Once you have started a project you can drag and drop media from your desktop to the Dropr website. Each project can include text in addition to the media that you upload to it. Each of your projects will have a different URL. You can work on your projects in private until you are ready to share them with the world. Your Dropr projects can be embedded into a blog as a slideshow.
Applications for Education
Dropr could be a good tool for having students create digital portfolios for the media that they produce. You could also use Dropr to have students create collages of images and videos about a topic that they're researching in your class.