Need help eliminating cliche actions, descriptions, or diaglogue? The following links will take you to a series of creative checklists:
http://www.creative-writing-now.com/index.html This is a blog with numerous how to's along with writing prompts. You'll find info on free writing courses, free journal courses and a wealth of knowledge from other industry professionals. These are great prompts to use when polishing your manuscript. There is a list of ideas to utilize when you don't feel the creative vibe.
http://www.debgallardo.com/virtuoso/1018/creative-writing-exercises-description-and-character/ This link takes you to 3 exercises that will, at the very least, assist you on some level. These are great exercises on description and character.
http://languagearts.pppst.com/writing.html This a great resource to bookmark. Filled with basics on grammar, sentence structure, and writing; this site also has free powerpoints on persuasive, technical, expository, narrative, and descriptive writing. It's worth a look.