One of the finest pastel instructors and plein air painters around, Richard McKinley writes for Artists Network. His Pastel Pointers blog always has fresh insight for pastel artists; subscribe and you'll always get the latest.
Here's a link to part 3 of his series on Packing Paintings for Air Travel by Richard McKinley. Before reading it, though, scroll to the bottom and click the links for parts 1 and 2.
PSST Blog is written by Carolyn Hancock