Urgent- Quick job! Format poster for printing and one image swap

Hi. I need the attached poster formatted for print on a vertical 36x24 posterboard. The pink scalloped border needs to go to the edge of the white board. There will not be a scallop edge cut on the board.

I want the flower design changed to look more like the yellow flowers on the other uploaded image. Flowers should be the same soft pink/blush colors that resemble a watercolor.

I need this done now. Thanks