The first logo, without the tag line is simple and recognizable and that is what you want in a logo.
Some marketing genius (actually Scott Bournes online course in Photography as a Business on lynda.com) have suggested that photographers should use certain words in their advertising. Words that are specific to selling photography. They are: Good Taste, Beauty, Attraction, Family, Well Being, Community Stature, Romance, Rest, Eternity, Security, Peace, Memories and Storytelling.
Your single tulip (I guess it's a tulip) may elicit the feelings that you will want. Use that one or come up with another, but I like the number one logo the best of your samples.