I've just made myself a special notebook to record all my swift sightings, along with haiku and other poems I write about them. Made from reclaimed waste office card and paper of course.
You can help them by fitting a swift nest box. Swift Conservation can help you with fitting and maintaining a nestbox, you can find their local experts here.
Concern for Swifts Scotland aims to have swift nest site conservation incorproated into building specifications and to support the inclusion of the swift in Local Biodiversity Action Plans. You can find out more about Concern for Swifts on their website.
You can also read my previous post on ths issue here.