Try craftster.org. There are a bunch of HP themed projects with graphs in the cross stitch forum. I've even seen some in the knitting and crochet forums that could could easily use for cross stitch
I like doing nature inspired things & animals, wildlife. Doesn't matter to me what size cloth, but I usually use 14. I tend to get kits, too. Has anyone tried beading? I've done a couple of projects where the entire design is done in glass seed beads...
Have you tried Joann.com? They have stuff for crochet, scrapbooking, sewing, and I would thing cross stitch. Check it out.