Linda,
The history of the Ystad area was very well documented by investigations carried out during the period 1982-90. These investigations are documented in 3 books, 2 in English and 1 in Swedish (with a summary in English):
1/ The cultural landscape during 6000 years in southern Sweden --- the Ystad Project. ISBN 87-16-11049-8.
2/ The archaeology of the cultural landscape. ISBN 91-22-01550-7.
3/ By, huvudgård och kyrka (The village, the manor, and the church). ISBN 91-22-01271-0.
I can copy some pages from these books and send to you.
The information I have found on Internet is in Swedish, but there are pictures you can look at.
http://www.algonet.se/sylve_a (also suggested above by Eva Leksell). Select Skånska slott and then Sydöstra delen. Now you can look at Krageholm and Bellinga, but you can also look at Snogeholm. At the age of 15, your great-grandfather started his career at Snogeholm.
Krageholm has a homepage where you can find some pictures, check out the links:
http://www.krageholm.se You can also have a look at
http://www.algonet.se/~krage Nils-Åke Bjäresten