Yes you can add Blob type field to a cursor and put jpg file into it. Depending on requirements, the CURSORTOXML() or XmlAdapter can be used to convert it to XML.

APPEND MEMO blob_field FROM (lcFileName) OVERWRITE
* or
REPLACE blob_field WITH FILETOSTR(lcFileName)
* or
UPDATE mytable SET blob_field = FILETOSTR(lcFileName) ;
  WHERE ...

>can I include a small jpg file (~20k in size) in a blob field in a cursor and then include that in the XML created there of for uploading to a website?
>
>and how does on get it into the blob?