Hey UG guys thought I'd share this site on lyric writing help. This site is tailored for lyric writing. It's got some good ideas on there as well as methods on how to spark your own imagination. Plus there's a lyric challenge/competition too and an e-book to help you write your own lyrics.
Oh also it gives quite an organised view that ive found quite helpful. Like giving a framework for song writing ...time frame , setting, theme and such like