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I like watermelon/lime/mint and strawberry/lemon best. Both with booze if possible. Yum!
I like the idea of the grapefruit--that is not a fruit I use much in warmer months, and I should.

I like doing pudding pops too. Certainly not good for you, but tasty, and better than store-bought.

@ginger - Flat soda, huh? Cool. I've been wanting to make chocolate ones...with pudding mix. Assume they'll turn out good. Either way, kidlet will eat whatever comes out!

@phila--I don't know if that counts as a "popsicle" but it sure is clever!!
I will be snitching that idea next time I serve drinks--thanks!

Curious - How well did it freeze with the alcohol in it?

Last summer I made cantaloupe and cream popsicles that were amazing. Pretty much anything you can put in a blender makes a great popsicle. I really like the star shape molds but I found some smaller ones at the grocery store that work well too.

Tropical Fruit Popsicles
1 Cup mandarin oranges with juice
1 Cup crushed pineapple
1 mango, chopped
2 Cups orange, pineapple or grape juice
Add ingredients to a blender and blend until smooth. Pour into Popsicle molds and freeze.

Applesauce Popsicle
1 cup applesauce
Add a little water if you would like it thinner. Pour into molds and freeze.

Juice Pops
Try mixing two juices together for a different flavor.
1 cup orange juice
1 Cup white grape juice
Stir together and pour into molds. Freeze.
OR
1 Cup pineapple juice
1 Cup mixed fruit juice
Stir together and pour into molds. Freeze.

Watermelon Popsicles
2 cups watermelon cubed remove seeds
1 cup apple juice
Blend in blender until smooth. Pour into Popsicle molds and freeze.

Pineapple Popsicle Recipe
1 quart milk
20 oz can of crushed pineapple, drained
1 ½ Cups sugar
1 teaspoon vanilla
Blend in blender until smooth. Pour into molds and freeze.

Fruit Slushies
½ Cup sugar
½ Cup water
2 tablespoons lemon juice
4 cups watermelon diced or 5 cups strawberries
In saucepan, heat sugar and water. Bring to a boil and stir until sugar dissolves. Allow to cool and stir in lemon juice. Puree fruit in blender, substitute a different fruit if desired or experiment with different flavors. Add sugar mixture with fruit. Blend together. Pour into small paper cups and freeze.

Multi Layer Fruit Pops
2 Cups sliced fresh strawberries
¾ Cup sugar, divided
1 1/3 Cups fresh peaches, sliced
2 cups diced watermelon
Puree in blender strawberries and ¼ cup sugar. Pour small amount in molds or paper cups about 1/3 full. Put in Popsicle sticks. Freeze. Puree peaches and ¼ cup sugar in blender. Pour over frozen strawberry layer. Freeze. Cube watermelon and remove seeds. Puree watermelon and ¼ cup sugar in blender. Pour over frozen peach layer and freeze.

Jell-O Pops
1 small package flavor gelatin
1 cup boiling water
1 cup vanilla or flavored yogurt
½ cup milk
Dissolve gelatin in boiling water. Allow to cool. Then stir in yogurt and milk Pour into Popsicle molds or cups insert sticks and freeze.

There's a company marketing pickle brine popsicles to kids as an alternative to sugary snacks. I guess they're trying them out in schools? Supposedly kids love them because they're bright green and weird.

Try these:
Mexican Chocolate Pudding Pops
About 3-1/2 cups mix, enough for 10 2-1/2-ounce pops

• 2/3 cup sugar
• 1/4 cup cocoa powder*
• 1/4 cup cornstarch
• 1/4 teaspoon salt
• 2 teaspoons cinnamon
• 3 cups milk
• 3 ounces semisweet chocolate, chopped fine*
• 1 tablespoon orange liqueur or 1-1/2 teaspoons almond or vanilla extract
Combine first five ingredients in medium saucepan. Place pan on medium- to medium-high heat; whisk in milk until smooth. Cook, stirring almost constantly, until mixture thickens, about 10 minutes. Cook 1 minute longer, then stir in chocolate and liqueur. Pour into molds; freeze 4 hours or overnight.

You can skip the liqueur of course and just add extract. Or try Kahlua instead of orange liqueur.