That looks familiar...
You want to install a breather rather than just a loose hose into your valve cover. You're sucking in unfiltered air into your valve train. Get a push-in type. You can see mine above.
Also if you want to heat your intake here's pics of my setup if you want to use it as a reference.
Note the T at the heater core. I tried plastic. It didn't work. Went with brass from Lowes.
Another pic of the hoses going to the bottom of the intake:
Bottom of the intake.
I took a 3/16" steel plate, cut it, drilled out holes for the mounting bolts, drilled and tapped NPT threads for the fittings, screwed them in, ground them flat on the side mated to the intake, used a piece of 1/8" rubber to make a gasket (Lowes again. In the plumbing section. They're sold in 6" x 6" sheets), a little RTV, some pipe clamps and viola! Looks good from the top and doesn't leak a single drip. Took a couple rounds to get it to seal up though.
