When I play my frosty, i always thought it'd be much better if casting blink canceled Ice Block for easier use. Well, I fixed that myself. I haven't tested this as I remember, but it should work. I've done similar things in the passed. Edit: Tested, it seems you have to double click the macro. Still easier than removing it manually though....

I like a clean bar. An easy way for this? Combine like skills that would replace eachother. This one: Casts Arcane Power, Icy Veins, and Blizzard with left click. Casts PoM and Flamestrike on right click. Casts Arcane Explosion on middle click. These will all work even if the CDs are still on CD....

As a clicker, while playing arcane/frost on my mage, I found this macro very useful. Left Click gives you a normal arcane blast. Right Click gives you arcane missiles. Middle-Click gives you Icy Veins, Arcane Power, and Arcane Blast all at once, for when you need that extra quick damage boost. Saves time clicking each skill individually, as most my Macros do....

Click : mage armor Shift-click : frost armor Alt-click : molten armor...