Some explanations of the abbreviation in the file name (which means):
Center Bottom – map below,
Center Top – top map,
Right Edge – right edge card,
Right Top – top right map,
GSM – small card
ONM – average,
SBM – big
1LTB – 1 line of text below,
1LTT – 1 line of text on top,
3LTB – 3 lines of text below,
3LTT – 3 lines of text above.
NF – without frame
WF – with frame,
MBB – card on a black background,
MCB – card on a transparent background,
TBB – text on a black background,
TCB – text on a transparent background.