I couldn't find the answer anywhere on the website, and as I tried to upload last night and they disappeared, I'm thinking that I tried to put too many!

Answer:
48 photos is the maximum per album. You probably tried to upload too many and it just cancelled the upload.

Hope this helps!

Answer:
yeh the limits 48 picz per album so if you have more picz then jus make another album.

same thing happens wiv me..ive got loads of bebo skins that i make and had a lot more than 48 so needed to create another album for the screen-shots.

Answer:
Yu Can Have 48 Picures In One Album.x.

But Yu Can Have As Many Albums As Yu Want.x.

So Yu Might Have Been Tryin To Put Tu Many Photos In One Album.x.

Answer:
No limits really max of 48 per album so u will need to create more albums. Try using the classic version to upload it is faster