First of all...welcome to KH! it's a really friendly place.
Most of those rugs are rag rugs. The rag shag, you could probably make. I'm sure you probably have a million old t-shirts hanging around. Just get a latch-hook cloth, cut the shirts into strips, and latch-hook them to the cloth.
The other rag rugs, you could probably buy at wal-mart...probably for less than $10.00 ea.