Here is a link to Sharon Schamber's video:
http://sharonschambernetwork.com/Cla...our-Quilt.aspx
I've also basted on my kitchen table by using the cardboard cutting board I have for cutting out garment patterns, and basting in portions. Lay the board out on the table, use binder clips to secure the bottom layer, spray baste the batting & top. For tops bigger than the board, baste in sections.