There's always time to practice. Just drag a piece into Photoshop and mess around with it.
I dont have photoshop :p, plus my life is busy all the time.. if Marching band, School Plays, or staying after.. and during the summer I go to the UK for a month and go on vaca.. and when im free im at work.. so my life is horrible lol.. but those times I do have free I'm leading my regiment or im modding..