https://www.icyphoenix.com/viewtopic.php?f=26&t=3645&p=24599#p24599
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Artie
Wed 20 Feb, 2008 01:02

Re: Thumbnails Not Working :(
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Double check that you performed this part of the install correctly .... especially the highlighted part

[quote]#*/
#
#-----[ DIY INSTRUCTIONS ]------------------------------------
#
CHMOD these directories for Full Album Pack to work correctly.
.
CHMOD 777 album_mod/upload
[highlight=#FFFFAA]CHMOD 777 album_mod/upload/cache[/highlight]
CHMOD 777 album_mod/upload/med_cache
CHMOD 777 album_mod/upload/otf
CHMOD 777 album_mod/upload/wm_cache[/quote]