[Outros] Redimensionar gifs

Endereço do fórum : http://war-imperial.criarforum.com/
Imagens a serem usadas : https://2img.net/u/1717/58/56/96/smiles/1281062744.gif ; https://2img.net/u/1717/58/56/96/smiles/1598432970.jpg ; https://2img.net/u/1717/58/56/96/smiles/3496180440.jpg ; https://2img.net/u/1717/58/56/96/smiles/3947876841.png ; https://2img.net/u/1717/58/56/96/smiles/2106270703.gif ; https://2img.net/u/1717/58/56/96/smiles/2195713809.gif ; https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQNwW2YkEHmboREdYH_LufArFjYo6jWrMzd8R4_Yl1tQPyGEJTReA ; https://i.imgur.com/UmBQ8iV.jpg ;
Dimensões : 50 x 50 px
Cor do fundo : #FFFFFF
Cor da fonte : #FFFFFF
Fonte :  
Animação :  
Moldura :  
Descrição do trabalho : So quero que mude as dimensoes das imgs para 50x50

Olá amigo,

aqui está:

http://postimg.org/gallery/1ke2tftw/

Atenciosamente,
Gilgamesh.

Obg