To make paper based animation card you need black and white icons or picture sketches. Also you require animbar software which you can download from link provided below.
1. Images of same resolution
Steps to change image resolution.
1. Open image in paint brush (Window 7 & + ).
2. Click on Resize
3. Select pixels
4. Un-check maintain aspect ratio.
5. Fill resolution you require.
6. Save picture
Click here to download files.