Your original statement should work fine, with a few minor tweaks (you forgot an "s" and "A.AlbumDescA.,"
SELECT
A.AlbumDesc,DateCreated,A.UserId,
A.IsPrivate,A.CoverImgSrc,A.AlbumName,
(SELECT COUNT(Id)
FROM images B
WHERE B.album_Id = A.album_Id) AS ImageCount
FROM...