After I removed safe guard ..
After I removed safe guard, I could view video. The selection of pictures and video is chosen by the app. Some videos are not videos I 'liked' or reposted on Tumblr (and I mostly don't like them). The app allows me to take better screen shots but the pics and videos I want to copy just get book marked. There isn't any way to share the videos. There isn't any information that says who posted the pictures (or video) so it's nearly impossible to give credit to the original artists. The only way to get this info is to go through your Tumblr likes and reposts to find the information. But if you have 1000 pictures/videos it can be an extremely long process. And if the picture/video is one that Tikbly created, but you don't know this definitely, you will waste hours of time looking for information on a picture that isn't there.