Scrapbook.com has this great site with titles sorted into categories. So if you're looking to scrap some winter snow photos, you can click on the "winter" category and find 90 title ideas.
The Perfect Title lists all their categories down the left side of the website. Once you select a category, you will see any subcategories available to narrow down your search even further. For instance, if you click on "pets", you'll find subcategories for "cat", "dog", "horse", "other animals". Pretty cool!
And check out Debbie Hodge's Get It Scrapped website here for suggestions on ways to come up with scrapbook titles. She has some fabulous ideas for thinking through the whole title process and coming up with the perfect title for your page. Here's one of her example pages. She explains her thought process on this page and how she came up with the title from a quote by Helen Keller.
Hope you enjoy these title tips!