Crossovers
- None

Cameos/References
- PvP Online - The kid in the background is wearing a PvP-sponsored 'Han Shot First' shirt! Strip 054
- PvP Online - Looks like Maureen has just missed one of this year's largest webcomic events! Strip 309

Girls with Slingshots cameos/references can be found in:
- The Devils Panties - And who has we here to Jennie's delight? That's a giant McPedro! 10-05-2006
- Silver Rage - Hazel shows up as Robyn's cousin, with Jamie tagging along! 10-07-2006
- P.U.C.K - Well, Hazel might look too young... but she has Jamie's to help her through! 25-09-2006
- Silver Rage - Okay, she's right... McPedro isn't exactly a fitting name for a Velociwatcher! 29-09-2006
- America Jr. - In the pot far out to the left, we can just about spot a diminutive McPedro! 30-09-2006
- Mangled Stare - Jamie appears for party... with Hazel and McPedro following for an extended stay! 24-10-2006
- Synaptic Misfiring - When you feel the world is against you... go drinking as Hazel and Jamie do! 19-01-2007
- Girl Genius - Somebody has put up a little warning about girls with slingshots in the area! 19-03-2007
- Weregeek - Heeey! That looks to be one genuine mechanical McPedro there on the shelf! 13-07-2007
- Butternutsquash - Some characters meet up and make out, some are just... not ment to be! 07-02-2008
- Least I Could Do - There's no doubt about it being McPedro on the table in the background! 05-05-2008
- Least I Could Do - Jamie and Hazel do not fall for Rayne's melon salespitch for a threesome! 26-05-2008
- Times Like This - Do we really have to wait until 2014 before GWS the movie comes out? 21-08-2008

Danielle Corsetto cameos/references:
- The Devils Panties - That can't possibly be Danielle Corsetto! She would never say something like that! 11-05-2006
- Rhymes With Witch - Mmmm... Danielle WOULD look good in a bikini in a calender! 09-07-2008
- In the Puddle - Danielle's Do-Rag story has a lot to answer to... Jamie for once would like a word! 14-08-2008