Sra. Hendrix's Pneumonic Devices and Memorization Tips Page
Disclaimer:  Memorization is not the ideal way to acquire a foreign or second language, but certain learner types find these devices can help stimulate their memories of previous Spanish grammar lessons. 
(Original Ideas)

FUTURE AND CONDITIONAL IRREGULAR STEMS
TIPS ON HOW TO FORM THE FUTURE
THE USES OF THE PRESENT SUBJUNCTIVE
THE USES OF THE IMPERFECT SUBJUNCTIVE
 
 
Preterite and Imperfect

 

(Borrowed Ideas, sources unknown)