I have in the past done this a lot to make flashcards for the Anki flashcard system. This is a free downloadable and customizable flashcard system that is easy to use and although it is not connected to lingQ, you can export your lingQ vocabulary and cut and paste your hints, etc. into the Anki flashcard system. I have to warn you though that making the sound clips and finding good pictures on the web can be very time consuming and become a huge distraction. Unless you really enjoy it, an argument might be made that you would be better off spending your time just reading, listening and making and reviewing lingQs if you want to learn faster. However, I have to admit that the lingQ flashcards don't really inspire me to review them the way my own homemade audiovisual and customized Anki cards do. On the other hand, making and reviewing flashcards tends to feed my need to get things perfect which I have heard may actually be a hindrance to learning a language as compared to getting lots of exposure to comprehensible input. In any case, if you like flashcards, and have not tried Anki, check it out at http://ankisrs.net/
and good luck!