for the ALT tag, I write something much more descriptive… such as “woman hammering a nail into a wall”.
That’s a really good example. ??
@dowbright: You don’t need hyphen between words in either your image titles or their alt texts. Hyphens are normally just needed for filenames – which are never seen (hopefully) on the front end of a site. Keep your titles very short. In practice, use titles that are meaningful for you and will help you to locate the right image when you have over 500 images in your Media Library. Although the title attribute is displayed on the front end of the site, it has very little SEO weight (primarily because it’s been so abused in the past), so whatever works for you should be fine.
With alt texts, a short descriptive sentence is really all you need. Avoid using an special or unusual characters, though, as they may not display correctly on the final page.