Hacking Can ne1 suggest a good PDF to JPG batchconverter??

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Can ne1 suggest a good PDF to JPG batchconverter??

I'm tryign to use my DS as a e-book reader, but most of my ebooks are in PDF format,

i love reading my comics using ComicDS v1.3
so i was wondering if there was a good PDF to JPG batch converter to convert my PDF books
into a series of JPGs that i can put into ComicDS

any help is appreciated.