Ex: Default range for Kaiser Blades is 25 pixels, but DatEdit changes this to 16 (displayed as 1 when editing) when saving the DAT file.
I discovered this while writing a custom compiler/decompiler for DAT files

None.

Ultraviolet -- That's strange, it looks like you targeted the base image file (sometimes people make the mistake of just using the imgur page link which doesn't work for embedding) but it still didn't work it sounds like.
NudeRaider -- I think SEN has trouble with https or hotlinking is forbidden. It certainly is nothing about the size, it just fails to get any size. You can get it working if you use imgur and include the actual image link for the img tag. Like this: [img=https://i.imgur.com/ddYqXZa.jpeg]
Symmetry