Tip:

download a program called Irfanview.

View images w/that program.


Go to Options...Properties/Settings. Click on JPG / PCD / GIF on the left side.

UNCHECK the box to "Auto-rotate image...."

Now view your side-ways pictures. Click "r" or "l" keyboard button to rotate to the right way. His "s" to save.

Now post only those saved pictures that are in the right orientation.