For some wonderfol romantic "love journal" ideas, check out this website:
scripts.lovingyou.com/mdb/search.cgi?mdb=ideas&cat=journals
They work any time of the year, not just on Valentine's Day!

Here are some fun romantic tips and ideas, perfect for Valentine's Day or any
day you want to show your spouse how much you love them:
http://www.msromance.com/RomanticIdeas.asp?cat=VDAY&v=

Looking for a way to get the whole family in the Valentine's Day Spirit?
Try some of these activities and crafts:
http://familyfun.go.com/crafts/season/feature/famf29valcrafts/

Here are some romantic anniversary ideas that could also be used for Valentine's Day:
http://holidays.lovingyou.com/guides/anniversary/content.shtml?ID=annivideas

For a little Catholic history, check out this link to learn about Saint Valentine.
http://www.americancatholic.org/Features/ValentinesDay