Version:           1.4-svn (using KDE KDE 3.5.2)
Installed from:    Ubuntu Packages
Compiler:          gcc (GCC) 4.0.2 20050808 (prerelease) (Ubuntu 4.0.1-4ubuntu9) 
OS:                Linux

None of the album covers are shown in cover manager
the arrangement of music folder is:
Music->ALBUM1->1.ogg, 2.ogg,..., cover.{jpg,png}

the cover.{jpg,png} was pickedup and shown correctly in previous releases.
missing cd cover discussion/thread on amarok forums can be found below with a lot of people having the same issue
http://amarok.kde.org/forum/index.php/topic,12688.0.html

amarok compiled with full debug when starting cover manager gives (not sure if this helps but its here any way):
amarok: BEGIN: void CoverManager::init()
QImage::smoothScale: Image is a null image
amarok:   [MetaBundle] Found APIC frame
amarok:   [MetaBundle] Size of image: 5131 byte
amarok:   [MetaBundle] EmbeddedImage::save /home/ir/.kde/share/apps/amarok/albumcovers/tagcover/f43f4d16b82537b27ee49378c0d46c8f
QImage::smoothScale: Image is a null image
QImage::smoothScale: Image is a null image
amarok:   [MetaBundle] Found APIC frame
amarok:   [MetaBundle] Size of image: 25298 byte
amarok:   [MetaBundle] EmbeddedImage::save /home/ir/.kde/share/apps/amarok/albumcovers/tagcover/122069cb44e0908fe45f827b96d54d96
QImage::smoothScale: Image is a null image
QImage::smoothScale: Image is a null image
amarok:   [MetaBundle] Found APIC frame
amarok:   [MetaBundle] Size of image: 29463 byte
amarok:   [MetaBundle] EmbeddedImage::save /home/ir/.kde/share/apps/amarok/albumcovers/tagcover/d90579897e54d1ef07f5ea5d37545f30
QImage::smoothScale: Image is a null image
QImage::smoothScale: Image is a null image
amarok:   [MetaBundle] Found APIC frame
amarok:   [MetaBundle] Size of image: 13473 byte
amarok:   [MetaBundle] EmbeddedImage::save /home/ir/.kde/share/apps/amarok/albumcovers/tagcover/ecc773a86fff4210db2ba4f7acb12acc
QImage::smoothScale: Image is a null image
amarok: END__: void CoverManager::init() - Took 21s

Hope this one gets fixed, really painfull withouth having album covers
thanks