(Requires the Designer or Pro version.)

You can combine text and images in your design using the Designer. You can access it from the New Project Page. On the page where you can enter a design's size, you can also click the Customize button and choose Designer there.

After adding text, you can adjust it's size and placement by clicking and dragging on it with the Select & Move tool.

You can also add images from within the Designer  using the Account Designs, Design Library or Import Image buttons. Account Designs loads an image from your online saved designs. Import Image loads a design from your device. The Design Library is a growing resource of designs Rapid Resizer and other users have submitted, new designs are added weekly.

Learn how to import text into the Designer and then how to customize this text: