Possibly the single most compelling feature of the Lightroom Slideshow module is the ability to turn metadata associated with an individual image into a slide caption which is totally sizeable and positionable. You can also add custom text that applies as a global caption to all the slides. Here's how.
To create custom text that will appear the same on every slide, click on the ABC icon in the toolbar (circled) and in the resulting Custom Text text box, start typing. Figure 10-31 When you are done hit the Return (Mac) or Enter (Win) key. The text will appear in the work area in a bounding box where it can be resized or repositioned.
To use metadata as a slide caption for a specific image, use the presets that appear in the pop-up menu when you click on the up and down arrows next to the text box. Figure 10-32 If none of these presets are appropriate, select Edit. This opens up the Text Template Editor, where you'll have many more options.
Using the Text Template Editor
In the Text Template Editor, shown in Figure 10-33, you can create a new preset that will appear next time you click on the triangle next to the toolbar text box. To create one using the IPTC Creator ...