Open Keynote and select the size from the drop-down menu. We’ve chosen 800×600, which is the resolution of most projectors.
Choose one of the 44 pre-installed themes, then drag your mouse over the slide to view the slide designs. Either double-click it or hit Choose to open.
Pick a design for the opening slide from the Masters drop-down menu at the top of the interface. There are plenty of combinations to choose from.
Replace the placeholder text by clicking the mouse in the text box, selecting the text and then typing. Edit the design of the text using the Font panel.
To add images, open the Media panel and select Photos. Then select the image you want from iPhoto; drag and drop it onto the image you want to replace.
Slide the button right to make the image bigger within the frame. Tap ‘Edit Mask’ and then hold the cursor onto the image to move it around inside the frame.
Add new slides by hitting the ‘+’ icon at the top of the interface, then select the design of the slide using the Masters drop-down menu.
Add a transition between each slide by opening the Slide Inspector and choosing from the ‘Effect’ drop- down menu. You can edit the duration in the next field.
Check the progress of your slideshow at any time by hitting the Play button on the top left of the interface. When you’re ready to share, just save it.
Click Image to Enlarge