Firstly, something I haven't done in a while, here is the 22nd on parade:
Here is my now completed lascannon squad:
And here is the (near) completed rhino that carries Colonel Ironfist and his retinue around:
Again, if you don't know why it's a rhino, you haven't been playing long enough.
In game terms it simply counts as a chimera with a turret-mounted heavy bolter and a hull-mounted heavy bolter.
I've also created a photobucket album. You can see it here.