I want to delete the pictures

With most devices you the two devices and treat the photo frame like an external hard drive. Open Explorer and copy/paste the pictures to the preferred folder on the hard drive. Then delete pictures it you want; don't cut/paste and lose all through a mishap.

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It can directly recover deleted pictures, photos lost due to deleting, restoring factory settings, flashing ROM, rooting, etc., from SD cards inside Android devices. It let you preview the deleted photos before recovery. Watch the video tutorial to learn how to retrieve photos from Android phone easily with simple clicks.
Key features of Data Recovery - GT Recovery for Android:
Preview & selectively retrieve photos and video lost due to any problem
Support all Android phones/tablets, like Samsung, HTC, LG, Motorola...
Only read and recover the data, no personal info leaking, 100% safe
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Try googling Recuva, it's free to use.

Yes there is. Take no more pics until you've recovered your photos, take the card out of the camera. This is to reduce the chance of you overwriting some of your "lost" photos. There are many good freeware photo recovery software options that may help you recover your photos. This article reviews and outlines several of the better ones:

There are several ways. Download and install google's picasa. When you connect your camera click the Import tab and follow the appropriate steps to download the photos. It does take time to learn and you may make a mistake so be sure to keep the option not to delete the photos from the camera after download.

2- The safest way is without any software. Connect the camera and go to Start/My Computer where your camera will appear next to C: (or D:) as E: or some such volume. Click on folders there until you see your photos. Copy the enclosing folder and paste it somewhere like the desktop or My Pictures. I usually prefer to save duplicate copies one on an external hard disk.

3- Same as 2, but also use www.irfanview.com to sort and display your photos.

4. Same as 1., 2. and 3. but instead of a USB cord connecting the camera use an memory card reader. That saves your camera battery for one. It also allows you to delete photos in the trash of the memory card (not the one n the desktop).

This is difficult to explain in a short time, but there are a few ways to go about it. You can make the top layer transparent to an extent, and you will see the bottom layer through it. You can remove portions of the top layer by deleting areas so that you see what is behind it. Or, you can copy and paste portions of one photo and paste it on top of the other.I don't use Nova, so I can't begin to tell you which tools to use, but photoshop has various selection tools (circles, squares, freehand) that you can use to copy sections, delete, make new layers from, the list goes on. You would be far better off on a forum that specializes in how to for your graphic program. I've had files with so many layers my head would spin and there are sooooo many things you can do, I can't do you justice here.

First make sure that the photos are not actually on the camera's internal memory and not shot on the card to start with. Do this by trying to look at the photos through the camera with the card out of the card slot. Next before taking anymore pictures try putting the card into a different computer and card reader. If it still shows up empty you can try several recovery softwares online for free, only paying for them after they have found your photos and are ready for saving. If that doesn't work if you have a local photo store still they will offer recovery service and recovery services are available from companies like DriveSavers.com. Be warned, it can be expensive.

You can recover deleted pictures from digital camera by follow a good digital camera photo recovery tutorial, take a look at this one that helped me before:
digital camera picture recovery guide
hope this helps.