LR5 Slideshow export issue - small images

i've been having quite difficulty exporting 1080p slideshows lightroom 5. after exporting 1080p slideshow, images fill screen correctly, while others appear smaller. rendered full 1:1 previews try , fix didnt help. im @ total loss. has else experienced and/or know of solution?

 

the first image 1 exports correctly, while second whats happening other smaller ones.

 

sorry don't have answer problem. experiencing similar lr5.3 on osx 10.9.1.

 

i have 57 images, 1920x1080px. have set slide show template no margins. when arrow through each slide in slideshow module, looks should - pictures fill frame part. when play slideshow or export video, couple slides @ right size, rest 60-70% size should be. frustrating.

 

to adobe: lr use 'canvas' size slideshows? fixed pixel size? size of largest image in slideshow? size of display? there doesn't seem control on (that can find, after hours of messing this.)

 

i 30+ year veteran of video editing , graphics. i've used after effects , photoshop on 20 years. i've used lightroom since introduced. i'm not newbie stumbling in lr. lack of control/access canvas size of sort in slideshow module liking editing in premiere (which daily) without being set or adjust video format and/or size sequence.

 

this makes slideshow module virtually unusable remotely demanding. disappointing.

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