Foundation Issue? URGENT Help Needed (Pictures Included)

[Samantha M.]

I was looking at a property here in DFW near Grand Prairie that was built in the late 1960s. The problem with the house is it has numerous cracks on the interior of the house. The seller told me they did quite a bit of foundation work not to long ago and the roof is new. I am wondering if the cracks I am seeing are mostly cosmetic at this point, or if there is greater cause for concern. Please click images to ZOOM in. I am not sure if the damage in the pictures are "scars" from before the foundation repairs.

In the above picture notice crack by fan.

In the above picture here where the ceiling meets the wall, there is a gap on this side. I assume this is due to the foundation shifting mentioned earlier?

I actually went with a friend of mine who wholesales and he was kind enough to send me back some of the pictures he took. You can see the pictures below.