I'm pretty sure anyone can now subscribe to the LJ feed at random, just by friending it: steampunk_tmblr
Let me know if that works (or doesn't)!
ETA: Found this incredible Steampunk House On Wheels while web-surfing last night. I am in awe of its gloriousness! Be sure to click on the Top Ten Strange Buildings links while you're at that site. Yowza.