@mechy
Hi and thank you for trying LoView

Unfortunately on classic hw due to not fully WarpOS hollywood implementation(it uses WarpOS only for some tasks but the OS related was still 68k...) the speed cant be so much...
I think tha t you can test the MOS version under MOS 1.4.5 and see exactly how fast itis

Also you can consider to use it on forthcoming AmigaOS4.1 for classic I think that on your system (MOS and OS4.1) it can be really nice to use

Consider also that LoViewThumb it uses JPEG photos Exif data to create thumbs so you can look at rather many big(10Mpx or much) thumbs faster and easy...
Dunno if you can load it with I guess "only" 128MB...
For the speed/memory weirdness/problems I cant tell you anything since the program was coded in Hollywood and so I cant control it really at all(I can control it in many things but not in all...)
Regarding PicShow never tryed when I've OS3.9 on A1200 BPPC160, but my preferred image viewer at the time was ShowPPC(really fast and esasy to use/configure)...under OS4 I used it since LoView was born
