Originally Posted by brosier

In one of the first quilt classes I took, the instructor took the uncut fabric by one corner, had another person take the fabric by the opposite corner at the other end of the fabric and then they proceeded to pull and tug on the fabric by the opposite corners. They would then move their hands to get a different grip but at the same 45 degree angle and pulled on the fabric.
Magically, the fabric was then straightened. You might try this to see if you can straighten the fabric a bit - then the print might look better.