Shrink InOut Bottom

Shrink InOut Center

Shrink InOut Left

Shrink InOut LL

Shrink InOut LR

Shrink InOut Right

Shrink InOut Top

Shrink InOut UL

Shrink InOut UR

LL=Lower Left, LR=Lower Right, UL=Upper Left, UR=Upper Right

These effects basically have the initial slide reduce in size toward one of the 4 sides or corners while the next slide increases in size from the same side/corner.