These images are based on the White House Long Form Birth certificate PDF.
I am using Adobe Illustrator to simplify matters for some people who do not appreciate low level tools. For those people: You can click on the image and bring up a larger version.
As various other people have documented, the WH document contains several monochrome bitmaps and a single JPEG encoded background. It’s these features which caused some concern amongst those who insist that President Obama’s LFBC must be fraudulent.
Let’s look at the background image and the mostly text image. Notice the 48% scaling and the -90 degrees rotation. Again, the differences in scaling and the rotation of the images were by some seen as evidence of a forgery