And here’s some info about cropping and scaling images.

Any image uploaded to your site’s media library can be edited using your Image Editor.

To access the image editor go to Media > Library in your dashboard and click on the name of an image you want to edit.  Now just click on the Edit Image link to reveal the advanced editing options.

Rotating an image

You can rotate an image by clicking on the Rotate counter-clockwise or Rotate clockwiseicon and then clicking Save if you’re happy with the results.

Rotaitng an image using the image editor

Flipping an image

You can flip an image by clicking on the Flip Vertically or Flip Horizontally icon and then clicking Save if you’re happy with the results.

Flipping an image using the image editor

Undo/Redo

You can flip an image by clicking on the Undo or Redo icon.

Undoing or redoing an image chage using the image editor