You can download below white paper for Marketing and Sales life cycle. There is lot of material available on web regarding as well.
Jai Ho CRM http://mscrmkb.blogspot.com Skype - amol.gholap
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There are also a couple of really good Linkedin www.linkedin.com groups specifically focused on sales and marketing using Microsoft Dynamics CRM.
Key question really is what is your customer's sales process? Perhaps it is not automated, perhaps it is not documented, perhaps it is not defined, but ask key questions and listen. BE a detective.
How do they find their leads? advertising, phone calls, e-mail newsletters, purchases?
What do they do when they get a new lead? Meet with them, call them, send them samples, demonstrations?
What happens when the lead becomes more interested in what is being sold? Different people to talk to, samples, demos, more calls, ..
What happens when the lead/prospect is ready to buy? Quotes, invoices,
What happens once a prospect becomes a customer? Follow-up, quality control, customer satisfaction
What happens when a customer has a problem? RMA, returns, customer visit, services offered
Sales process within Microsoft Dynamics CRM can be as small as keeping track of the associated actions and their completion to as complex as automation when a phone call comes in and sales literature is e-mailed.
Remember to seperate the "marketing" process from the "sales" process for often it relates to two totally different departments that have a bridge between them. Managing the needs of a marketing department in CRM is very different from managing the needs of a sales department and yet they are also parallel and on the same path to the same goal.