Pray Without Ceasing - That was Paul's suggestion. But you can't go around all day with your head bowed and your hands folded, so here is a wide variety of suggested prayer practices that can be incorporated into your youth ministry during Lent. Need more? Many of these ideas could be incorporated into prayer exercises. These would be cool too.
Create a Space - Some teens like the idea of creating a sacred space that can either be set up in their bedroom or even taken with them "on the go" as a sort of prayer altar. This Lenten idea invites you to collect 7 items you would take with you if you tried to duplicate Jesus' 40 day spiritual journey into the wilderness. Why not challenge your youth to take up the challenge?
Seeds for Lent - Check out this set of Flickr images of Lenten reflection cards created by Mark Pierson.
A Breathing Prayer - So simple.
Free Lenten Prayer Guide - Here's a nifty prayer guide you can download right now and adapt for your youth to carry with them throughout the 40 days, complete with scripture texts, prayer suggestions, meditations, and ideas for different ways to "fast" throughout the season.