Bei der Fondanttorte sieht es aus, als waer Dein Fondant zu trocken. Hast Du ihn selber gemacht oder einen gekauften probiert?
Use a bit more Crisco, so that it doesn't dry out so easily. Also, with a shape like that, turn the cake over to cover with fondant, leaving a bit extra on the bottom, when you trim the fondant. Once the fondant is adhered properly, carefully turn over the cake and adhere the extra rim to the rim of the cake. It's easier that way to decorated shaped cakes like that