Just a quick tip today.
Many people (including myself) use Photoshop to create their images and mockups. Here's a little tip that I stumbled on to get things lined up easily.
Smart Guides are essentially guides that are generated on the spot by photoshop and are not enabled by default. To enable Smart Guides, go to View>Show>Smart Guides.
Smart Guides (Pink Lines) Snapping a Text Box to the Middle of a Shape