With Glyphs and talents you may want to consider putting your trinket pop on the same macro as your Water Elemental / Mirror Image cast. There are 2 reasons for this. Spell power is really the only stat these benefit from so you want it as high as possible when you bring them out. 2nd with glyphs and talents you can get the cool down for water elemental to be the same as the trinket pop delay.

Here's the basic logic I use for my frost mage. The macros may not be 100% correct, I'd have to login to confirm.

- Main Macro
/assist party1
/click ze'Buttonz

- Mirror Image / Water Pet
/use 13
/use 14
/cast Mirror Image
/castsequence [nopet] Summon Water Elemental, Cold Snap,

- Frostbolt
/cast Icy Veins
/cast Frostbolt


I typically drop the mage pets macro on my bar only for boss fights. Like others, I dropped Ice Lance from my macros as using it caused a net loss of around 150ish dps.