Here is an update to the program that lets you select the output gbas file and the base label name.
The resulting label text is
labelname_
file processed count, eg : graphic_1, graphic_2 etc
As I've mentioned elsewhere there is a slight problem with SPR2MEM at the moment, as you may well find out, each conversion outputs two bits of text. These are needed to make sure the SPR2MEM works with more than one sprite

I've also included my test program (to test the resulting code), which rotates through 3 example graphics.
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