I’d like to put myself forward for art!  I not only post about my pottery, I try to teach a little about the process when I do. 
I’ll put myself forward for food, as well. Probably food and art are my most consistent fields of original posts. 

More suggestions:

(Non exhaustive lists, I might pop back in with more later, and more adds for other lists)

Art:
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nostr:npub1yp7wfa7msdpusf4vupzttttu2mx3cns7whx5cgkt4yr9pkpvujus2mzys7 
nostr:npub1rkqw2kyduqgdzdax03ptqdcht90475gww0jzelzg7vd6ayvyf4vsl2jtk0 
nostr:npub17nd4yu9anyd3004pumgrtazaacujjxwzj36thtqsxskjy0r5urgqf6950x 
nostr:npub12rzunrxvx89f78h4df284lzvkjqetljkq0200p62ygwmjevx0j8qhehrv9 
nostr:npub1z674e6ztne66luq0qmt3l9r8uck68zqnz6x6fzuwad46me0mjwfsfngz59 
nostr:npub1f9lz4ktqnkgq77e04vnmy7ay0zm6fftcsz04y2y06379usc60clss7pxza 
nostr:npub1n6695r8lranwd0zcz785uzjnfpyqwjzvrdl9ru6c9ft0a4fzfrpq3rk7gz 

Food:
nostr:npub1wezprxcca3tttvnhncxsxhnhz25av6wml0jm9305tr94vjhmdj2s2e62hu 
nostr:npub1ewe0qgak4gykym236t6w4x06jyuw4q8v040lmn5lamude434yqcsz7uqlw 
nostr:npub1wd09wweyk7qn36rvj640xl85w4rav2runt9afmdpw0spsf4kv3aqv4dn77 

I think that if art and photography will be separate categories, gardening/permaculture and nature could be considered separate as well. I would normally consider photography as part of art. But for photography and videography as distinct:
nostr:npub1uch5rxswzes8h9hlzrktqqjf4a75k6w86ys7fvzpxrrpejvccvhq4sl7fj 
nostr:npub157auxypn0me5y360svgefxn38fsljqpdz3k82jflaanz3lnm003s55855k 
nostr:npub1rjc54ve4sahunm7r0kpchg58eut7ttwvevst7m2fl8dfd9w4y33q0w0qw2 
nostr:npub17ranr5vpp20etheaz78u6e72pvyc0xk3r6rgnetfvtxc88acat2q4nhenz 
nostr:npub17huchf2qgk304r0j497rtlps9xdeur235uqhjhqypj5qemd08x6q093xmv 

Bitcoin:
nostr:npub1h8nk2346qezka5cpm8jjh3yl5j88pf4ly2ptu7s6uu55wcfqy0wq36rpev 
nostr:npub1a2cww4kn9wqte4ry70vyfwqyqvpswksna27rtxd8vty6c74era8sdcw83a