http://www.dkimages.com/discover/previews/829/35080442.JPG

Try saving your logo in WMF format, instead of GIF or JPG.

Check out the following link for the image to Jeff Hardys J Logo ;

http://xtremejeffhardy.com/Jeff_Hardy_J_Logo_T-shirt_25.00.jpg

Yes, there is another KIA logo designs. There are 2 actually ones the international one (such US) and the other one is South Korea's.

http://www.cartype.com/pics/1626/full/kia_emblem_sportage_1.jpg

http://www.cartype.com/pics/1626/full/kia_emblem_sportage_2.jpg

^This is Korea's KIA logo

http://www.ddin-enterprise.biz/logo_kia.jpg

^ This is the one everyone internationally sees

It depends on your file system. Some filesystems are CASE sensitive but typically JPG and jpg are the same thing.