Here are a few examples from the online personal advice "experts" who have been there and done that !  Also, some do's and don'ts.

1. Write honestly and accurately - this includes listing your real height, weight, body type, education background and profession (no stretching the truth here).

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3. Don't share too much information - just enough to keep them interested. List things like favorite hobbies, activities, movies, books, etc. Keep things about work minimal. Say things like "a nurse at a local clinic" or "mortician at a funeral home." You get the gist.

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5. Don't fixate on only one aspect of your life. You come off sounding one-dimensional and obsessed. Write things people can relate to, such as where you're from, where you live, or where you're going in life.

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7. Don't dwell on problems or limitations. You can talk about those things later. If you have children, mention them briefly. People want to know you will have time for them.

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9. Think about what you're looking for, and don't set too many limitations. It might hinder some great opportunities. Don't say you're looking for the love of your life and want to get married.

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11. Good words: affectionate, likes to cuddle, interested in a committed relationship, sensitive, great cook, romantic, caring, monogamous, down-to-earth, sophisticated, etc.

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13. Bad words: well hung, great in bed, I'd love to satisfy you, sexually insatiable, great lover, erotic, uninhibited, etc.

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15. Unless a person is downright unappealing, remember that amateur photos hardly do justice to a person.

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17. Increase your response rate by ten times by posting a photo. You can also offer to exchange photos (photos - not porn here people) by e-mail. Send your best photos. First impressions are crucial.

The following is a REAL personal ad which generated several hundred responses in just a few short months. The writer is a VERY happy (and busy) individual indeed!!

ABOUT ME:   "A classic Sag, born in a pig year, I am happy to be me, and this site IS 'under construction' each and every day. Happiness is being in the moment, and having health, peace of mind and love. Breathing is very, very good, so are flexibility and movement. Joy is found everywhere...in family, friends, work, and play; snowflakes, clouds and mountains; bears, birds, trees and flowers; really fine Belgian truffles and an occasional black lager. Ecstasy will be connecting and becoming one with you."
 

ABOUT YOU:   You understand what I said above, who I am, what I want. You know who you are and what you want. You set goals and achieve what you want. You are fit, active, and intelligent. You enjoy a rewarding & challenging career. You embrace the dark as well as the light. You feel and express emotion freely and with sensitivity. You refuse to carry another's emotional baggage, and yet are empathetic. You speak honestly and act with integrity. You compromise only what you do, not who you are. You love yourself and want to share your wants and needs with a partner.

The light within shines in your eyes and you are radiant in every way. So am I. Let's connect."