@o-copleston

Don't know if you are still plugging away, but I was able to use another library from Bodmer. github TJpg_Decoder. I read a jpeg from a web server elsewhere , chunk it into an array and call

#include <TJpg_Decoder.h>

TJpgDec.drawJpg(0, 0, buffer, bufferlength );

liberally copied from Web_Jpg example